Weymouth weather in January

In January, Weymouth sees average daytime highs of 9°C and overnight lows near 6°C, with 98 mm of precipitation across 14.4 wet days and about 8.3 hours of daylight. It is the 11th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 9°C through the month. The sky is clear or mostly clear about 15% of the time in January, and the air most often feels dry.

Daylight stretches from about 7 h 48 min at the start of January to 8 h 54 min by month's end. Set against the rest of the year, January is Weymouth's 12th-clearest and 1st-windiest month. For the whole year in context, see Weymouth's year-round climate.

Daytime high
11th warmest
Overnight low
2nd coldest
Precipitation
98 mm
14.4 wet days
Daylight
8 h 12 min
8:13 AM – 4:26 PM
Cloud cover
73%
12th clearest
Wind
29 km/h
1st windiest
Solar energy
0.89 kWh/m²
Travel score
1.5
out of 10

Weymouth is town in Dorset, England.

Density
2,887/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 9°C through the month.

A typical January day in Weymouth reaches about 9°C in the afternoon and slips back to 6°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 11°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

10°15°151015202531
Avg high (°C)Avg low (°C)
197
297
397
497
597
697
797
897
997
1097
1197
1296
1396
1496
1596
1696
1796
1896
1996
2096
2196
2296
2386
2486
2586
2686
2786
2886
2986
3086
3186

Weymouth weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan / 9814.48.31.5
Feb / 6911.29.71.3
Mar / 5910.511.51.8
Apr11° / 5910.113.52.5
May13° / 10°549.315.23.6
Jun15° / 13°539.216.24.7
Jul17° / 15°488.615.85.8
Aug18° / 15°679.814.35.9
Sep17° / 14°6710.112.45.3
Oct14° / 12°1161410.43.8
Nov12° / 11915.48.72.6
Dec10° / 10814.57.81.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23169
33169
43169
53169
63169
73169
83169
93070
103169
113169
123268
133268
143268
153367
163268
173268
183268
193169
203070
213070
223070
232872
242872
252773
262674
272575
282575
292575
302476
312476

Chance of precipitation in January

Any precipitation

Weymouth gets around 98 mm of rain and snow over 14.4 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 46% and peaks near 51% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
148
248
349
449
549
650
750
850
951
1051
1151
1251
1350
1450
1549
1649
1748
1847
1947
2046
2145
2244
2343
2442
2541
2640
2740
2839
2939
3039
3139

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 29 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 27 km/h on the calmest days to 29 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
129windy
229windy
329windy
429windy
529windy
629windy
729windy
829windy
929windy
1029windy
1129windy
1229windy
1329windy
1429breezy
1529breezy
1629breezy
1728breezy
1828breezy
1928breezy
2028breezy
2128breezy
2228breezy
2328breezy
2428breezy
2528breezy
2628breezy
2727breezy
2827breezy
2927breezy
3027breezy
3127breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 7 h 48 min at the start of January to 8 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over January. Sunrise moves from 8:18 AM to 7:57 AM, and sunset from 4:08 PM to 4:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.88:184:08
27.88:184:09
37.98:184:10
47.98:184:11
57.98:184:12
67.98:174:13
77.98:174:14
88.08:174:15
98.08:164:16
108.08:164:18
118.18:164:19
128.18:154:20
138.18:154:22
148.18:144:23
158.28:134:24
168.28:134:26
178.38:124:27
188.38:114:29
198.38:104:30
208.48:094:32
218.48:084:33
228.58:074:35
238.58:064:36
248.58:054:38
258.68:044:39
268.68:034:41
278.78:024:43
288.78:014:44
298.88:004:46
308.87:584:48
318.97:574:49

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.89 kWh/m².

For context, solar energy here swings from a low near 0.72 kWh/m² to a high of 5.86 kWh/m² in June across the year — January's 0.89 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.7Dim
20.7Dim
30.7Dim
40.8Dim
50.8Dim
60.8Dim
70.8Dim
80.8Dim
90.8Dim
100.8Dim
110.8Dim
120.8Dim
130.9Dim
140.9Dim
150.9Dim
160.9Dim
170.9Dim
180.9Dim
190.9Dim
200.9Dim
211.0Dim
221.0Dim
231.0Dim
241.0Dim
251.0Dim
261.1Dim
271.1Dim
281.1Dim
291.1Dim
301.1Dim
311.2Dim
Planning a trip in January

Is January a good time to visit Weymouth?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

1.5
Sightseeing
11th-best month of the year
0.0
Beach & pool
7th-best month of the year

January is a weaker month for outdoor sightseeing in Weymouth.

What to pack for Weymouth in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Weymouth sees daytime highs around 9°C and nights near 6°C. Pack a warm layer, rain gear and a windbreaker. About 14 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Weymouth in January

The nearest coast averages about 10°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 17°C and coldest in March near 8°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan10Bracing
Feb9Bracing
Mar8Bracing
Apr10Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug17Cool
Sep17Cool
Oct16Cool
Nov13Bracing
Dec11Bracing

UV index in Weymouth in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Weymouth peaks around August 13 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 13UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug7High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Weymouth?

Weymouth sits at 50.6°N, 2.5°W, -2 m above sea level, in United Kingdom. The nearest listed city is Dorchester, 12 km away.

Topography around Weymouth

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Weymouth.

Within 3 km, the terrain around Weymouth has only modest variations in elevation — a maximum elevation change of 71 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 241 m; within 80 km, significant variations in elevation — a maximum elevation change of 382 m.

The land around Weymouth is covered by water (35%), artificial surfaces (24%) and grassland (22%) within 3 km, water (55%) and grassland (22%) within 16 km, and water (41%) and grassland (33%) within 80 km.

3 km
71 m
16 km
241 m
80 km
382 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Dorchester 12 km · Poole 35 km · Yeovil 38 km · Wimborne Minster 38 km · Bournemouth 43 km · Ferndown 45 km · Christchurch 50 km · New Milton 58 km

United Kingdom travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 89% of US
price level, 2025
GDP per capita
$57,602
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
3.2
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 60%none 26%Muslim 4%other 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Weymouth (50.6145°, -2.4599°, elevation -2 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).