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Cavan Weather and Climate: A Comprehensive Guide

Temperatures see a moderate degree of fluctuation, transitioning from pleasant conditions to cold. It is also known for its large amounts of rainfall. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

In Cavan, seasonal changes bring about a moderate variation in temperatures. Typically, average maximum daytime temperatures range from a pleasant 20°C in July to a chilly 9°C in the coolest month, January.

Nights are cooler, with lows often dropping to around 3°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Cavan is known for its substantial rainfall, with annual precipitation reaching 1024 mm. Precipitation levels in Cavan remain relatively steady throughout the year. August has the most rain, with 96 mm over 19 days. In March, this drops slightly to 73 mm, making the city's climate fairly predictable.

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

Forecast for Cavan

Sat   Jan 11
7°C | 3°C
SE 3 m/s
4.1 mm
overcast and rain

overcast and rain

Sun   Jan 12
10°C | 2°C
S 4 m/s
overcast and no rain

overcast and no rain

Mon   Jan 13
12°C | 9°C
S 5 m/s
1.3 mm
overcast and rain

overcast and rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Cavan in Ireland

Other facts from our historical weather data:
  • Which is the warmest month in Cavan?
    July has an average maximum temperature of 20°C and is the warmest month of the year.
  • Which is the coldest month in Cavan?
    The coldest month is January with an average maximum temperature of 9°C.
  • Which is the wettest month in Cavan?
    August tops the wettest month list with 96 mm of rainfall.
  • Which is the driest month in Cavan?
    March is the driest month with 73 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.