Best Time to Visit Harrow
Best time: Jul, Jun, Aug, Sep.
Jul is warmest (23°C high); Oct is rainiest (62 mm).
Harrow weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 7.6 | 1.9 | 61 | 1.2 |
| Feb | 8 | 1.6 | 39 | 2.1 |
| Mar | 10.7 | 3.1 | 47 | 3.9 |
| Apr | 13.3 | 4.4 | 45 | 5.8 |
| May | 17.4 | 7.5 | 51 | 7.4 |
| Jun | 20.5 | 10.5 | 54 | 8.1 |
| Jul | 23 | 12.8 | 42 | 7.7 |
| Aug | 22.6 | 12.6 | 50 | 6.7 |
| Sep | 19.2 | 10.3 | 57 | 4.8 |
| Oct | 14.9 | 7.3 | 62 | 2.8 |
| Nov | 10.6 | 4.2 | 59 | 1.5 |
| Dec | 8.4 | 2.9 | 60 | 0.9 |
Average high temperature
Best months by activity
Overall: JulJunAugSep
Beaches: JulAugJun
Hiking: JulMayJunAug
Sightseeing: JulJunAugMay
Harrow quick facts
What to pack
Cold months (Jan, Feb, Mar, Nov, Dec): warm layers and a coat.
Frequently asked questions
When is the best time to visit Harrow?
Jul, Jun, Aug, Sep.
What is the rainiest month?
Oct, about 62 mm.
What is the warmest month?
Jul, with average highs of 23°C.
Where to stay
See Harrow hotels · Book Harrow tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.