Harrow on the Hill, England Climate
United Kingdom
Pop. 10,632 Elev. 72 m / 236 ft
TZ: Europe/London (UTC+1) ·
Harrow on the Hill is largely arid, with warm summers peaking at 74°F (23°C) in July and cool winters around 35°F (2°C) in January. Precipitation occurs on roughly 35 days per year (23.0 in / 585 mm total), with 3 in (78 mm) of annual snowfall. Overcast skies are common, with only 74 sunny days per year. Ocean water temperatures reach 67°F (19°C) in summer.
| Temperature | 23°C (74°F) high | 1°C (35°F) low |
| Feels like | -1°C (30°F) low | |
| Rain | 35 days | 585 mm (23.0 in) /yr |
| Snow | 0 days | 78 mm (3.1 in) /yr |
| Sky | 74 sunny | 12 stormy |
| Wind | 1.7 m/s (3.8 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, May, Jun, Aug, Sep
Sky & Air by Month
Cloud cover (%)
76
Jan 74
Feb 52
Mar 47
Apr 59
May 55
Jun 57
Jul 61
Aug 58
Sep 77
Oct 69
Nov 70
Dec Humidity (%)
88
Jan 86
Feb 74
Mar 68
Apr 66
May 66
Jun 66
Jul 68
Aug 76
Sep 82
Oct 87
Nov 88
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 14 km London Heathrow Airport (LHR)
Ski resort 21 km The Snow Centre Hemel Hempstead
National park 16 km Langley Park
Hospital 0 km Cygnet Hospital
Hiking trail 14 km Tamsin Trail - hiking
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 6°C 43°F | 1°C 35°F | 73 mm 2.9 in | 67 mm2.6 in | 6 |
| February | 7°C 45°F | 3°C 37°F | 52 mm 2.0 in | 1 mm0.0 in | 3 |
| March | 12°C 54°F | 3°C 38°F | 18 mm 0.7 in | 0 mm0.0 in | 11 |
| April | 16°C 61°F | 6°C 43°F | 28 mm 1.1 in | — | 12 |
| May | 19°C 66°F | 9°C 48°F | 28 mm 1.1 in | — | 6 |
| June | 23°C 73°F | 13°C 56°F | 36 mm 1.4 in | — | 6 |
| July | 23°C 74°F | 15°C 59°F | 71 mm 2.8 in | — | 6 |
| August | 23°C 73°F | 14°C 56°F | 29 mm 1.2 in | — | 7 |
| September | 18°C 65°F | 11°C 51°F | 44 mm 1.8 in | — | 4 |
| October | 15°C 58°F | 9°C 49°F | 56 mm 2.2 in | — | 2 |
| November | 11°C 52°F | 6°C 43°F | 97 mm 3.8 in | 10 mm0.4 in | 5 |
| December | 9°C 49°F | 5°C 41°F | 52 mm 2.0 in | — | 6 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 6 | 1 |
| February | 3 | 0 |
| March | 11 | 0 |
| April | 12 | 0 |
| May | 6 | 1 |
| June | 6 | 1 |
| July | 6 | 2 |
| August | 7 | 1 |
| September | 4 | 2 |
| October | 2 | 0 |
| November | 5 | 3 |
| December | 6 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 10°C 50°F | 4°C 39°F |
| February | 8°C 47°F | 4°C 40°F |
| March | 9°C 49°F | 7°C 44°F |
| April | 12°C 53°F | 11°C 51°F |
| May | 14°C 58°F | 14°C 57°F |
| June | 18°C 64°F | 17°C 63°F |
| July | 19°C 66°F | 19°C 66°F |
| August | 19°C 67°F | 18°C 64°F |
| September | 19°C 66°F | 15°C 59°F |
| October | 17°C 62°F | 12°C 53°F |
| November | 15°C 58°F | 9°C 48°F |
| December | 12°C 53°F | 7°C 45°F |