When is the best time to go to Castle Rock
The chart above shows the best time of year to visit Castle Rock, United States. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Castle Rock
Castle Rock weather by month
Please note our recommendations for when to visit Castle Rock are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 6°C | 12mm | 7.8hrs | 10.7hrs |
The weather in January in Castle Rock is characteristically cold and dry.
Based on weather alone, this is probably a time of year to avoid going to Castle Rock for your holidays. The weather is often not a good and not conducive to spending time outdoors.
January is in the winter in Castle Rock and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing 6°C (44°F), whilst at night -10°C (14°F) is normal.
On average January is the driest month of the year in Castle Rock with around 12mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.8 hours of sunshine per day.
Castle Rock weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 7°C | 17mm | 8.3hrs | 11.7hrs |
February in Castle Rock is generally dry with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Castle Rock for your holidays. The weather is often not a good and not conducive to spending time outdoors.
February is in the winter in Castle Rock and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing 8°C (46°F), whilst at night -9°C (17°F) is normal.
On average February is the 2nd driest month of the year in Castle Rock with around 17mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 hours of sunshine per day.
Castle Rock weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 9°C | 33mm | 9hrs | 12.8hrs |
The weather in March in Castle Rock is characteristically cool and reasonably dry.
Based on weather alone, this is probably a time of year to avoid going to Castle Rock for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
March is in the spring in Castle Rock and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 10°C (51°F), whilst at night -6°C (21°F) is normal.
On average March is the 3rd driest month of the year in Castle Rock with around 33mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 9 hours of sunshine per day.
Castle Rock weather in March »
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 14°C | 40mm | 10.1hrs | 14.1hrs |
Castle Rock's weather in April is typically cool and reasonably dry in nature.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Castle Rock.
April is in the spring in Castle Rock and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 16°C (60°F), whilst at night -1°C (30°F) is normal.
On average April is the 4th driest month of the year in Castle Rock with around 40mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.1 hours of sunshine per day.
Castle Rock weather in April »
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 64mm | 10.3hrs | 15.3hrs |
May is a reasonably dry month in Castle Rock and the temperature is generally mild.
Based on weather alone, this is probably a time of year to avoid going to Castle Rock for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
May is in the spring in Castle Rock and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 20°C (69°F), whilst at night 4°C (39°F) is normal.
On average May is the 5th driest month of the year in Castle Rock with around 64mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.3 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 46mm | 11.4hrs | 10.7hrs |
Castle Rock's weather in June is typically mild and reasonably dry in nature.
It is perhaps the perfect month to visit Castle Rock, with some extremely good weather at this time of year.
June is in the summer in Castle Rock and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 8°C (47°F) is normal.
On average June is the 6th driest month of the year in Castle Rock with around 46mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 11.4 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 64mm | 11.2hrs | 11.7hrs |
July in Castle Rock is generally reasonably dry with the temperature being warm.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Castle Rock.
July is in the summer in Castle Rock and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (86°F), whilst at night 12°C (53°F) is normal.
On average July is the 6th wettest month of the year in Castle Rock with around 64mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 11.2 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 26°C | 58mm | 10.5hrs | 12.8hrs |
The weather in August in Castle Rock is characteristically warm and reasonably dry.
It is perhaps the perfect month to visit Castle Rock, with some surprisingly good weather at this time of year.
August is in the summer in Castle Rock and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (83°F), whilst at night 11°C (51°F) is normal.
On average August is the 5th wettest month of the year in Castle Rock with around 58mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.5 hours of sunshine per day.
Castle Rock weather in August »
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 22°C | 31mm | 9.8hrs | 14.1hrs |
Castle Rock's weather in September is typically mild and reasonably dry in nature.
It is perhaps the perfect month to visit Castle Rock, with some particularly good weather at this time of year.
September is in the fall / autumn in Castle Rock and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 6°C (43°F) is normal.
On average September is the 4th wettest month of the year in Castle Rock with around 31mm 1.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.8 hours of sunshine per day.
Castle Rock weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 17°C | 24mm | 8.8hrs | 15.3hrs |
October is a dry month in Castle Rock and the temperature is generally cool.
It is perhaps the perfect month to visit Castle Rock, with some inordinately good weather at this time of year.
October is in the fall / autumn in Castle Rock and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 19°C (66°F), whilst at night 0°C (32°F) is normal.
On average October is the 3rd wettest month of the year in Castle Rock with around 24mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.8 hours of sunshine per day.
Castle Rock weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 10°C | 20mm | 7.3hrs | 10.7hrs |
Cool and dry weather often prevails in Castle Rock during the month of November
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Castle Rock.
November is in the fall / autumn in Castle Rock and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cold 11°C (52°F), whilst at night -6°C (22°F) is normal.
On average November is the 2nd wettest month of the year in Castle Rock with around 20mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 hours of sunshine per day.
Castle Rock weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 6°C | 15mm | 7.1hrs | 11.7hrs |
December in Castle Rock is generally dry with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Castle Rock for your holidays. The weather is often not a good and not conducive to spending time outdoors.
December is in the winter in Castle Rock and is typically the warmest month of the year. Daytime maximum temperatures average around a freezing 7°C (44°F), whilst at night -9°C (16°F) is normal.
On average December is the wettest month of the year in Castle Rock with around 15mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.1 hours of sunshine per day.
Other monthly averages
Castle Rock weather stats
| Hottest month: | July | 29.3°C 84.7°F |
|---|---|---|
| Driest month: | January | 12mm 0.5ins |
| Sunniest month: | September | 9.8hrs |
| Coldest month: | January | 6°C 42.8°F |
| Wettest month: | May | 64mm 2.5ins |
| Warmest sea: | August | 19.1°C 66.4°F |
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