Average Monthly Sunshine hours in Harrow

This graph shows the average number of hours per month that Harrow receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

• On average, July is the sunniest month with 219 hours of sunshine.
• December has on average the lowest amount of sunshine with 54 hours.
• On average, the total annual amount of sun is 1659 hours.

Forecast: is it sunny in Harrow?

Mon   Nov 18

9°C | 5°C

E 11 km/h

12 mm

overcast and rain

hourly forecast

Tue   Nov 19

10°C | 0°C

N 22 km/h

8.8 mm

overcast and heavy rain

hourly forecast

Wed   Nov 20

5°C | -1°C

W 14 km/h

clear and no rain

hourly forecast

5-Day Forecast 10-Day Forecast