This page is a single place to check Bristol climate: monthly averages. Bristol runs from 4.6 C in Jan to 17.0 C in Jul, a swing of 12.4 C. Rain is spread through the year, with Nov the wettest month at 2.86 mm/day and Sep the driest at 1.67 mm/day. Taken together that is roughly 809 mm of rain a year for the grid cell. The build runs on a schedule and caches the last good response, so the numbers stay put even when the upstream API is having a bad day. Use the table for exact numbers, or the related pages below for neighbouring locations and periods.
Annual mean temperature 10.3 C
Warmest month Jul (17.0 C)
Coldest month Feb (4.6 C)
Wettest month Nov (2.86 mm/day)
All-time record high 33.1 C
All-time record low -7.1 C
Annual precipitation 810 mm / year
Coordinates 51.45523, -2.59665
Population 479,024
Average monthly temperature and rainfall in Bristol
Month
Mean temp (C)
Rain (mm/day)
Record high (C)
Record low (C)
Jan
4.6
2.44
13.3
-7.0
Feb
4.6
2.13
14.9
-7.1
Mar
6.1
1.92
18.1
-6.0
Apr
8.8
1.68
22.4
-3.3
May
11.9
1.93
23.9
0.4
Jun
15.0
2.08
29.3
4.3
Jul
17.0
2.21
33.1
6.9
Aug
16.7
2.31
32.1
6.6
Sep
14.4
1.67
27.5
3.8
Oct
11.2
2.68
25.7
-1.6
Nov
7.6
2.86
17.7
-5.0
Dec
5.3
2.70
13.9
-5.7
What the Bristol climate table shows
Values are multi-decadal climatological averages for the 51.45523, -2.59665 grid cell, not a single year. Rain is the daily mean, so a value of 2.00 mm/day is about 60 mm across a 30-day month. Averages smooth over extremes, so use them for planning rather than for what to pack for next Tuesday.
Frequently asked questions
Why do the numbers differ from a weather app?
An app shows one location on one day. These are long-run averages, so they smooth out single hot or cold spells.
How much rain is 2.86 mm/day in a month?
Rain is recorded as a daily mean, so 2.86 mm/day is roughly 87 mm across a 30-day month.