The bar chart below shows the average monthly peak daytime temperatures at Roseau
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | -12.6 | -8.5 | -0.8 | 9.6 | 17.9 | 22.7 | 25.3 | 24.3 | 17.9 | 10.9 | -0.6 | -9.7 |
°F | 9.4 | 16.8 | 30.6 | 49.4 | 64.2 | 72.8 | 77.6 | 75.8 | 64.2 | 51.6 | 30.9 | 14.5 |
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 | 19 | 14 | 19 | 36 | 59 | 91 | 87 | 78 | 65 | 35 | 21 | 18 |
inches | 0.8 | 0.5 | 0.8 | 1.4 | 2.3 | 3.6 | 3.4 | 3.1 | 2.5 | 1.4 | 0.8 | 0.7 |
Rainy days | 7 | 6 | 7 | 7 | 10 | 11 | 11 | 10 | 10 | 8 | 6 | 6 |
Average annual rainfall in Roseau: 493.467mm (194.3 inches)
The bar chart below shows the average daily sunshine hours in Roseau
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 4.1 | 5.3 | 6.1 | 8.1 | 9.4 | 10 | 11.1 | 9.7 | 6.6 | 5 | 3.4 | 3.2 |
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 | -24.1 | -21.1 | -12.7 | -2.8 | 3.6 | 9.2 | 12 | 10.4 | 5 | -0.6 | -9.4 | -19.8 |
Max °C | -12.3 | -8.2 | -0.5 | 10 | 18.3 | 23 | 25.7 | 24.7 | 18.2 | 11.2 | -0.4 | -9.5 |
Min °F | -11.4 | -5.9 | 9.1 | 27.1 | 38.4 | 48.6 | 53.5 | 50.6 | 41 | 31 | 15.1 | -3.6 |
Max °F | -0.8 | 5.7 | 20.1 | 38.5 | 51.6 | 61 | 65.8 | 63.5 | 52.9 | 41.5 | 23.2 | 5.7 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 4.9 | 4.7 | 5 | 5.8 | 7 | 9 | 11.8 | 15.2 | 14 | 10.5 | 7.4 | 5.6 |
°F | 40.8 | 40.5 | 41 | 42.4 | 44.6 | 48.2 | 53.2 | 59.3 | 57.2 | 50.9 | 45.4 | 42 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 17 | 16 | 17 | 18 | 17 | 16 | 15 | 15 | 17 | 18 | 17 | 16 |
mph | 10 | 10 | 11 | 11 | 11 | 10 | 9 | 9 | 10 | 11 | 11 | 10 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
74% | 74% | 73% | 64% | 60% | 66% | 68% | 70% | 72% | 72% | 79% | 78% |
Hottest month: | July | 25.3°C 77.5°F |
---|---|---|
Driest month: | February | 14mm 0.6ins |
Sunniest month: | July | 11.1hrs |
Coldest month: | January | -12.6°C 9.3°F |
Wettest month: | June | 91mm 3.6ins |
Warmest sea: | August | 15.2°C 59.4°F |