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Climate
Statistics · City
Normal high in June in Colnbrook
1991–2020 · 1 data point
Updated 21 Oct 2026
Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1991–2020
Weather through the year long-term average 1991–2020 · Heathrow weather station, 4 km away
8°
2°
Jan
9°
2°
Feb
12°
4°
Mar
15°
6°
Apr
18°
9°
May
21°
12°
Jun
24°
14°
Jul
23°
14°
Aug
20°
10°
Sept
16°
7°
Oct
12°
5°
Nov
8°
3°
Dec
64
50
46
40
48
50
47
58
40
63
79
68
High and low, °C
Precipitation, mm
Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1991–2020
What it means
The typical daytime high in June.
How it is calculated
Average daily maximum in June at the nearest weather station with a long record: 1991–2020, or the latest ten years.
Climate
Colnbrook in numbers
Average daily high
15.5 °C
1991–2020
Average daily low
7.1 °C
1991–2020
Normal annual rainfall
654 mm
1991–2020
Hot days (30 °C / 86 °F or more)
4
1991–2020
Rainy days
116
1991–2020
Average annual temperature
12.2 °C
2024
Annual precipitation
735 mm
2024
CO₂ emissions per person
4.2
2024 · United Kingdom