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 | 20.1 | 22.1 | 26 | 29.3 | 31.2 | 33.3 | 34.6 | 34.7 | 32.8 | 29.7 | 25.5 | 21.7 |
°F | 68.3 | 71.7 | 78.8 | 84.7 | 88.2 | 92 | 94.2 | 94.5 | 91 | 85.4 | 77.9 | 71 |
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 | 36 | 33 | 17 | 38 | 74 | 75 | 41 | 66 | 130 | 70 | 31 | 31 |
inches | 1.4 | 1.3 | 0.6 | 1.5 | 2.9 | 2.9 | 1.6 | 2.6 | 5.1 | 2.8 | 1.2 | 1.2 |
Rainy days | 6 | 5 | 3 | 3 | 5 | 5 | 4 | 5 | 8 | 5 | 4 | 5 |
Average annual rainfall in Harlingen: 569.4mm (224.2 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 | 4.6 | 5.7 | 6.8 | 7.6 | 8.4 | 10.2 | 10.8 | 10 | 8.4 | 7.5 | 5.8 | 4.5 |
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 | 9.6 | 11.1 | 15.2 | 19.3 | 22.2 | 23.9 | 24.4 | 24.3 | 23 | 18.9 | 14.7 | 10.9 |
Max °C | 20.4 | 22.4 | 26.3 | 29.6 | 31.5 | 33.6 | 34.8 | 35 | 33 | 30 | 25.8 | 22 |
Min °F | 49.3 | 51.9 | 59.3 | 66.7 | 71.9 | 74.9 | 75.9 | 75.7 | 73.4 | 65.9 | 58.4 | 51.5 |
Max °F | 59 | 62.1 | 69.3 | 75.9 | 80.2 | 83.7 | 85.3 | 85.3 | 82.4 | 75.9 | 68.4 | 61.5 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 20.6 | 19.8 | 20.2 | 22.2 | 25.2 | 27.8 | 28.4 | 28.8 | 28.8 | 27.1 | 24.4 | 22.1 |
°F | 69.1 | 67.6 | 68.3 | 71.9 | 77.4 | 82 | 83.2 | 83.9 | 83.8 | 80.8 | 75.8 | 71.9 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 17 | 19 | 21 | 21 | 19 | 18 | 17 | 16 | 15 | 15 | 17 | 17 |
mph | 11 | 12 | 13 | 13 | 12 | 11 | 11 | 10 | 9 | 9 | 10 | 11 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
76% | 75% | 73% | 74% | 76% | 74% | 72% | 73% | 75% | 74% | 75% | 76% |
Hottest month: | July | 34.6°C 94.3°F |
---|---|---|
Driest month: | March | 17mm 0.7ins |
Sunniest month: | July | 10.8hrs |
Coldest month: | January | 20.1°C 68.2°F |
Wettest month: | September | 130mm 5.1ins |
Warmest sea: | August | 28.8°C 83.8°F |