Weymouth climate

Weymouth Weather in January

NASA POWER reanalysis for the half-degree grid cell around Weymouth, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 9°C on January 1 to 8°C on January 31, and lows from 7°C to 6°C. Normal precipitation for the month is 93 mm over about 16 wet days.

January day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Weymouth, in °C, with the record for each date.-5051015151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

January at a glance

Average high
9°C
Average low
6°C
Precipitation
93 mm
Reanalysis high
13°CJan 18, 2007
Reanalysis low
-2°CJan 3, 1997
Daylight
8 h 05 min to 9 h 13 min
Cloud cover
78%
Humidity
86%
Dew point
6°C
Wind
30.2 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Jan 19°C7°C12°C 2003-1°C 199754%
Jan 29°C7°C13°C 2018-1°C 199754%
Jan 39°C7°C13°C 2015-2°C 199754%
Jan 49°C7°C13°C 20181°C 199754%
Jan 59°C7°C12°C 20142°C 200954%
Jan 69°C7°C12°C 20071°C 200954%
Jan 79°C7°C12°C 20070°C 199754%
Jan 89°C7°C13°C 20071°C 201054%
Jan 99°C7°C13°C 20070°C 199753%
Jan 109°C7°C12°C 20071°C 199754%
Jan 119°C7°C13°C 20073°C 199255%
Jan 129°C7°C12°C 20072°C 201055%
Jan 139°C7°C12°C 19932°C 199154%
Jan 149°C7°C13°C 20203°C 200053%
Jan 159°C7°C12°C 19984°C 201354%
Jan 169°C7°C12°C 19994°C 200053%
Jan 179°C7°C12°C 20073°C 199452%
Jan 189°C7°C13°C 20072°C 201351%
Jan 199°C6°C13°C 20072°C 201351%
Jan 209°C6°C12°C 20071°C 201350%
Jan 219°C6°C11°C 20121°C 201348%
Jan 229°C6°C12°C 20162°C 201148%
Jan 239°C6°C12°C 19933°C 200747%
Jan 249°C6°C12°C 20183°C 201346%
Jan 258°C6°C12°C 19951°C 199646%
Jan 268°C6°C12°C 2003-1°C 199644%
Jan 278°C6°C12°C 2002-1°C 199644%
Jan 288°C6°C12°C 20022°C 201144%
Jan 298°C6°C11°C 19952°C 201144%
Jan 308°C6°C12°C 20131°C 201143%
Jan 318°C6°C12°C 20161°C 200344%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Weymouth, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT).

January 1
sunrise 8:11 AM, sunset 4:16 PM
January 31
sunrise 7:47 AM, sunset 5:00 PM

Every day of January: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.