Bournemouth climate

Name: Bournemouth
Address: GB

Bournemouth is warmest in July, with average highs of 20 °C, and coldest in February, when nights average 4.0 °C. November is the wettest month (85 mm) and July the driest (47 mm). Figures are 1991–2020 climate normals.

Across a full year Bournemouth averages 749 mm of rain, 4 days above 25 °C and 9 days below freezing.

United Kingdom · population 163,600 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month July 20 °C
Coldest month February 4.0 °C
Driest month July 47 mm
Wettest month November 85 mm
Least cloud July 61 % cloud
Hottest on record August 31 °C
Coldest on record February -6.7 °C
Warmest sea August 18 °C

What to expectBournemouth through the year

Bournemouth has a clear annual cycle: average daily highs run from 8.2 °C in February to 20 °C in July, a swing of 11 °C in mean temperature across the year.

Counted across a normal year, 4 days a year reach 25 °C, 0 of them reach 30 °C, 9 nights drop below freezing. The warmest reading in the 1991–2020 record is 31 °C, in August.

Rain is spread fairly evenly through the year, from 47 mm in July to 85 mm in November. There is no dry season to aim for.

The sea off Bournemouth is warmest in August at 18 °C and coldest in March at 8.2 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	8.2 °C	73 mm	72 %
February	8.2 °C	56 mm	70 %
March	10.0 °C	50 mm	69 %
April	12.5 °C	54 mm	62 %
May	15.5 °C	53 mm	64 %
June	18.2 °C	52 mm	64 %
July	20.2 °C	47 mm	61 %
August	20.1 °C	62 mm	63 %
September	18.0 °C	55 mm	63 %
October	14.6 °C	84 mm	68 %
November	11.2 °C	85 mm	71 %
December	8.8 °C	80 mm	71 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days below 0 °C
January	8.2 °C	4.5 °C	6.4 °C	13.7 °C	-4.2 °C	0	2
February	8.2 °C	4.0 °C	6.1 °C	14.3 °C	-6.7 °C	0	3
March	10.0 °C	5.0 °C	7.5 °C	17.6 °C	-4.0 °C	0	1
April	12.5 °C	6.6 °C	9.5 °C	22.8 °C	-0.3 °C	0	0
May	15.5 °C	9.4 °C	12.5 °C	24.7 °C	2.9 °C	0	0
June	18.2 °C	12.3 °C	15.3 °C	27.9 °C	6.3 °C	1	0
July	20.2 °C	14.3 °C	17.3 °C	29.2 °C	9.4 °C	2	0
August	20.1 °C	14.6 °C	17.3 °C	30.7 °C	9.2 °C	1	0
September	18.0 °C	12.9 °C	15.4 °C	27.1 °C	5.0 °C	0	0
October	14.6 °C	10.5 °C	12.6 °C	22.1 °C	1.1 °C	0	0
November	11.2 °C	7.4 °C	9.4 °C	17.0 °C	-1.3 °C	0	0
December	8.8 °C	5.2 °C	7.1 °C	14.4 °C	-3.1 °C	0	2

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	73 mm	12	8.5 h/day	72 %	84 %	28 km/h	9.1 °C
February	56 mm	10	10 h/day	70 %	82 %	27 km/h	8.3 °C
March	50 mm	10	12 h/day	69 %	81 %	25 km/h	8.2 °C
April	54 mm	10	14 h/day	62 %	78 %	23 km/h	9.3 °C
May	53 mm	10	16 h/day	64 %	76 %	22 km/h	11.3 °C
June	52 mm	10	16 h/day	64 %	77 %	21 km/h	13.8 °C
July	47 mm	9	16 h/day	61 %	76 %	21 km/h	16.0 °C
August	62 mm	10	15 h/day	63 %	78 %	22 km/h	17.5 °C
September	55 mm	9	13 h/day	63 %	78 %	22 km/h	17.2 °C
October	84 mm	12	11 h/day	68 %	81 %	26 km/h	15.6 °C
November	85 mm	12	9.0 h/day	71 %	84 %	27 km/h	13.2 °C
December	80 mm	12	8.0 h/day	71 %	84 %	28 km/h	10.8 °C

How Bournemouth compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Bournemouth	20 °C	4.0 °C	749 mm	4
Southampton · United Kingdom	21 °C	3.0 °C	738 mm	6
Portsmouth · United Kingdom	21 °C	3.3 °C	714 mm	6
Swindon · United Kingdom	21 °C	1.7 °C	724 mm	7
Bristol · United Kingdom	20 °C	2.4 °C	790 mm	6
Reading · United Kingdom	21 °C	2.1 °C	666 mm	10

Where Bournemouth ranks

Ranking	Position	Value
The coolest places in Europe in July	41st of 50	20 °C

Planning a trip? See the best time to visit Bournemouth.

QuestionsCommon questions about Bournemouth’s climate

When is the best time to visit Bournemouth?

That depends on what you want, so the honest answer is a comparison rather than a single month. July, August, September sit closest to 20 °C on average, July is the warmest month and July the driest. The month-by-month table above has the full picture.

How hot does Bournemouth get?

In July, the warmest month, daily highs average 20 °C. About 0 days a year pass 30 °C. The highest value in the 1991–2020 record is 31 °C.

How cold does it get in winter?

Nights average 4.0 °C in February, the coldest month. A normal year has 9 nights below freezing.

Which month is wettest in Bournemouth?

November, averaging 85 mm over 12 days with rain. The driest month is July with 47 mm. The year as a whole averages 749 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Bournemouth rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 50.720°, -1.879° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.