When is the best time to go to Santa Rosa
The chart above shows the best time of year to visit Santa Rosa, 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 Santa Rosa
Santa Rosa weather by month
Please note our recommendations for when to visit Santa Rosa 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 |
|---|---|---|---|
| 10°C | 10mm | 8.1hrs | 11hrs |
Santa Rosa's weather in January is typically cool and very 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 Santa Rosa.
January is in the winter in Santa Rosa and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 12°C (53°F), whilst at night -6°C (22°F) is normal.
On average January is the driest month of the year in Santa Rosa with around 10mm 0.4 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 8.1 hours of sunshine per day.
Santa Rosa weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 12°C | 10mm | 8.6hrs | 11.8hrs |
February in Santa Rosa is generally dry with the temperature being cool.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Santa Rosa.
February is in the winter in Santa Rosa and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 14°C (57°F), whilst at night -4°C (25°F) is normal.
On average February is the 2nd driest month of the year in Santa Rosa with around 10mm 0.4 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.6 hours of sunshine per day.
Santa Rosa weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 15°C | 15mm | 9.6hrs | 12.8hrs |
The weather in March in Santa Rosa is characteristically cool and dry.
It is perhaps a good month to visit Santa Rosa, with some extremely good weather at this time of year.
March is in the spring in Santa Rosa and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night -1°C (30°F) is normal.
On average March is the 3rd driest month of the year in Santa Rosa with around 15mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.6 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 15mm | 10.9hrs | 13.9hrs |
Santa Rosa's weather in April is typically mild and dry in nature.
It is perhaps the perfect month to visit Santa Rosa, with some particularly good weather at this time of year.
April is in the spring in Santa Rosa and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 22°C (71°F), whilst at night 4°C (38°F) is normal.
On average April is the 4th driest month of the year in Santa Rosa with around 15mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.9 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 32mm | 11.7hrs | 14.9hrs |
May is a reasonably dry month in Santa Rosa and the temperature is generally mild.
It is perhaps a good month to visit Santa Rosa, with some very good weather at this time of year.
May is in the spring in Santa Rosa and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 27°C (80°F), whilst at night 8°C (47°F) is normal.
On average May is the 5th driest month of the year in Santa Rosa with around 32mm 1.2 inches of rain making it a reasonably 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 11.7 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 41mm | 12.4hrs | 11hrs |
Santa Rosa's weather in June is typically warm 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 Santa Rosa.
June is in the summer in Santa Rosa and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 31°C (88°F), whilst at night 13°C (56°F) is normal.
On average June is the 6th driest month of the year in Santa Rosa with around 41mm 1.6 inches of rain making it a reasonably 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 12.4 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 29°C | 62mm | 11.5hrs | 11.8hrs |
July in Santa Rosa is generally reasonably dry with the temperature being hot.
Based on weather alone, this is probably a time of year to avoid going to Santa Rosa for your holidays. The weather is often not a good and not conducive to spending time outdoors.
July is in the summer in Santa Rosa and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 33°C (91°F), whilst at night 16°C (61°F) is normal.
On average July is the 6th wettest month of the year in Santa Rosa with around 62mm 2.4 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 11.5 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 75mm | 10.7hrs | 12.8hrs |
The weather in August in Santa Rosa is characteristically hot and reasonably dry.
Based on weather alone, this is probably a time of year to avoid going to Santa Rosa for your holidays. The weather is often not a good and not conducive to spending time outdoors.
August is in the summer in Santa Rosa and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 31°C (88°F), whilst at night 15°C (59°F) is normal.
On average August is the 5th wettest month of the year in Santa Rosa with around 75mm 2.9 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 10.7 hours of sunshine per day.
Santa Rosa weather in August »
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 25°C | 41mm | 9.8hrs | 13.9hrs |
Santa Rosa's weather in September is typically warm and reasonably dry in nature.
It is perhaps a good month to visit Santa Rosa, with some extremely good weather at this time of year.
September is in the fall / autumn in Santa Rosa and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (82°F), whilst at night 11°C (52°F) is normal.
On average September is the 4th wettest month of the year in Santa Rosa with around 41mm 1.6 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.
Santa Rosa weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 21°C | 28mm | 9.6hrs | 14.9hrs |
October is a dry month in Santa Rosa and the temperature is generally mild.
It is perhaps the perfect month to visit Santa Rosa, with some inordinately good weather at this time of year.
October is in the fall / autumn in Santa Rosa and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 5°C (41°F) is normal.
On average October is the 3rd wettest month of the year in Santa Rosa with around 28mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.6 hours of sunshine per day.
Santa Rosa weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 15°C | 16mm | 8.1hrs | 11hrs |
Cool and dry weather often prevails in Santa Rosa 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 a good time to visit Santa Rosa.
November is in the fall / autumn in Santa Rosa and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night -1°C (30°F) is normal.
On average November is the 2nd wettest month of the year in Santa Rosa with around 16mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.1 hours of sunshine per day.
Santa Rosa weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 10°C | 15mm | 7.7hrs | 11.8hrs |
December in Santa Rosa is generally dry with the temperature being cool.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Santa Rosa.
December is in the winter in Santa Rosa and is typically the warmest month of the year. Daytime maximum temperatures average around a cold 12°C (53°F), whilst at night -5°C (23°F) is normal.
On average December is the wettest month of the year in Santa Rosa with around 15mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.7 hours of sunshine per day.
Other monthly averages
Santa Rosa weather stats
| Hottest month: | July | 32.3°C 90.1°F |
|---|---|---|
| Driest month: | January | 10mm 0.4ins |
| Sunniest month: | June | 12.4hrs |
| Coldest month: | January | 11.1°C 52°F |
| Wettest month: | August | 75mm 3ins |
| Warmest sea: | August | 22.2°C 72°F |
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