+51.5784° · -0.3321° · ELEV 0m
Harrow
United Kingdom · England
Monthly weather averages for Harrow, United Kingdom — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.
№ 01
July → JanuaryClimate Overview
Harrow has a temperate climate. The warmest month is July (22°C average high) and the coolest is January (8°C).
№ 02
734 mm / yearRainfall by Month
Harrow sees 734 mm of rain a year. The wettest month is October (81 mm); the driest is April (42 mm).
№ 03
June–SeptemberBest Time to Visit
June–September
12°C – 22°C · 10.2h sun
The best time to visit Harrow is June–September, when temperatures average 12°C–22°C with 10.2 sunshine hours per day.
Some visitors prefer April–May for cooler, drier conditions.
№ 04
12 months · °C · mm · hoursMonthly Breakdown
| January | 7.6°C | 1.8°C | 68 mm | 4.3 h | 08:00 | 16:20 |
|---|---|---|---|---|---|---|
| February | 8.7°C | 2.5°C | 54 mm | 5.4 h | 07:16 | 17:15 |
| March | 10.7°C | 3.6°C | 56 mm | 6.8 h | 06:16 | 18:04 |
| April | 13.6°C | 4.8°C | 42 mm | 9.6 h | 06:05 | 19:56 |
| May | 16.8°C | 8.2°C | 56 mm | 10.6 h | 05:09 | 20:45 |
| June | 20.4°C | 11.7°C | 58 mm | 11.1 h | 04:43 | 21:20 |
| July | 22.3°C | 13.9°C | 61 mm | 11.3 h | 05:00 | 21:13 |
| August | 21.5°C | 13.4°C | 69 mm | 10.1 h | 05:46 | 20:25 |
| September | 19.3°C | 11.5°C | 48 mm | 8.4 h | 06:35 | 19:17 |
| October | 15.2°C | 8.9°C | 81 mm | 6.2 h | 07:24 | 18:09 |
| November | 10.7°C | 5.3°C | 72 mm | 4.4 h | 07:19 | 16:12 |
| December | 8.9°C | 3.9°C | 69 mm | 3.5 h | 08:00 | 15:52 |