The bar chart below shows the average monthly peak daytime temperatures at Harlingen
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 4.3 | 4.7 | 7.6 | 10.7 | 15.5 | 17.9 | 19.7 | 20.2 | 17.4 | 13.5 | 8.8 | 5.9 |
°F | 39.8 | 40.5 | 45.7 | 51.3 | 59.8 | 64.2 | 67.5 | 68.4 | 63.3 | 56.3 | 47.8 | 42.5 |
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
The graph below shows the average rainfall and number of rainy days per month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | 65 | 43 | 54 | 44 | 50 | 61 | 72 | 66 | 76 | 76 | 85 | 74 |
inches | 2.6 | 1.7 | 2.1 | 1.7 | 2 | 2.4 | 2.8 | 2.6 | 3 | 3 | 3.3 | 2.9 |
Rainy days | 20 | 13 | 17 | 13 | 14 | 14 | 15 | 15 | 17 | 17 | 20 | 20 |
Average annual rainfall in Harlingen: 823.9663134mm (324.4 inches)
The bar chart below shows the average daily sunshine hours in Harlingen
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 1.6 | 2.8 | 3.9 | 5.8 | 7.3 | 7.4 | 6.8 | 6.7 | 4.9 | 3.5 | 2 | 1.4 |
The graph below shows the daily range of temperatures for each month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Min °C | -0.2 | -0.3 | 1.4 | 3.1 | 7.1 | 10.1 | 12.2 | 12.1 | 10 | 7 | 3.5 | 1.4 |
Max °C | 4.4 | 4.8 | 7.8 | 10.9 | 15.7 | 18.1 | 19.9 | 20.4 | 17.6 | 13.6 | 8.9 | 6 |
Min °F | 31.7 | 31.5 | 34.5 | 37.6 | 44.7 | 50.1 | 54 | 53.8 | 50 | 44.7 | 38.4 | 34.6 |
Max °F | 35.8 | 36.1 | 40.2 | 44.6 | 52.5 | 57.3 | 60.9 | 61.3 | 56.8 | 50.6 | 43.2 | 38.7 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 6.5 | 5.2 | 5.4 | 7.4 | 10.6 | 13.9 | 16.5 | 17.9 | 17 | 14.7 | 11.7 | 8.7 |
°F | 43.7 | 41.4 | 41.8 | 45.4 | 51.1 | 57 | 61.7 | 64.3 | 62.5 | 58.5 | 53 | 47.7 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 22 | 22 | 22 | 19 | 18 | 16 | 16 | 16 | 18 | 18 | 22 | 22 |
mph | 13 | 13 | 13 | 12 | 11 | 10 | 10 | 10 | 11 | 11 | 13 | 13 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|
90% | 87% | 85% | 81% | 80% | 80% | 81% | 81% | 84% | 86% | 89% | 91% |
Hottest month: | August | 20.2°C 68.4°F |
---|---|---|
Driest month: | February | 43mm 1.7ins |
Sunniest month: | May | 7.3hrs |
Coldest month: | January | 4.3°C 39.7°F |
Wettest month: | November | 85mm 3.3ins |
Warmest sea: | August | 17.9°C 64.2°F |