Climate ▸Forecast ▸January ▸February ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Castletown Weather and Climate: A Comprehensive Guide

The weather in Castletown sees moderate temperature fluctuations over the course of a year. Temperatures can be mild at the high end to roughly cold at the low end. It also experiences much rainfall throughout the year. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

The weather in Castletown changes moderately throughout the year, offering enough variation to appreciate each season. Average daytime temperatures reach a moderate 17°C in August. In February, the coolest month of the year, temperatures drop to a chilly 9°C.

At night, you can expect cooler temperatures, with averages dropping to around 6°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Castletown experiences significant rainfall throughout the year, averaging 1085 mm of precipitation annually. Castletown can be quite wet during November, receiving approximately 135 mm of precipitation over 19 rainy days.

In contrast May, experiences much drier conditions, with 58 mm of rainfall, spread across 15 rainy days. For more details, please visit our Castletown Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Castletown

Sun   Jan 12
9°C | 7°C
S 8 m/s
broken clouds and no rain

broken clouds and no rain

Mon   Jan 13
10°C | 9°C
S 12 m/s
2 mm
overcast and rain

overcast and rain

Tue   Jan 14
11°C | 9°C
SW 7 m/s
0.7 mm
overcast and  chance of slight rain

overcast and chance of slight rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Castletown in the United Kingdom

Other facts from our historical weather data:
  • Which is the warmest month in Castletown?
    August has an average maximum temperature of 17°C and is the warmest month of the year.
  • Which is the coldest month in Castletown?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Castletown?
    November tops the wettest month list with 135 mm of rainfall.
  • Which is the driest month in Castletown?
    May is the driest month with 58 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.