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What’s the climate like in Belfast?

The current climate of Belfast features average monthly temperatures ranging from highs of 31°C during the day to lows of 9°C. The average yearly temperature is around 22°C. At night, temperatures in the colder months average around -1°C and in the warmer months around 21°C.

The highest temperature recorded in Belfast in recent years was 36°C in July 2022. The lowest daytime temperature recorded was -10°C in December 2022.

On average, Belfast gets 1074 mm of precipitation each year. Of this, about 7,1 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.

Best time to visit Belfast?

The best time to visit Belfast for sunny weather is April, May, July, September and October. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Belfast. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.

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Climate Table of Belfast

The climate table of Belfast shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 9 12 17 22 26 30 31 30 29 23 16 13
Temp. min (°C) 0 2 6 10 15 19 21 20 17 11 4 3
Precipitation
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Precipitation (mm) 90 119 140 74 94 122 62 123 45 54 61 90
Snow (cm) 1,9 2,1 2,8 0 0 0 0 0 0 0 0 0,3
UV Index 3 4 5 6 7 7 6 6 6 5 4 3

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

  • Average yearly temperature: 22°C
  • Highest temperature: 31°C in July
  • Lowest temperature: 9°C in January
  • Precipitation*: 1074 mm per year, averaging 90 mm per month
  • Snowfall: 7,1 cm per year
  • Driest months: 45 mm in September, 54 mm in October and 61 mm in November
  • Wettest months: 140 mm in March, 123 mm in August and 122 mm in June

*Precipitation is measured as a combination of rain, snow, and hail

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Average Temperature per Month in Belfast

This graph shows the average maximum temperatures per month in Belfast, Tennessee. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.

Temperature per Month in Belfast, Tennessee,

Average Precipitation per Month in Belfast

This graph shows how much precipitation Belfast, Tennessee, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.

Precipitation per Month in Belfast, Tennessee,

Average Snowfall per Month in Belfast

This graph shows how much snow Belfast, Tennessee, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.

Snowfall per Month in Belfast, Tennessee,

Average UV Index per Month in Belfast

This graph shows the average UV index per month in Belfast, Tennessee. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

UV Index per Month in Belfast, Tennessee,

Yearly Temperature in Belfast

This graph shows the average yearly temperature in Belfast, Tennessee. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.

Yearly Temperature in Belfast, Tennessee,

Total Yearly Precipitation in Belfast

This chart shows the total yearly precipitation in Belfast, Tennessee, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.

Yearly Precipitation in Belfast, Tennessee,

Total Yearly Snowfall in Belfast

This chart shows the total yearly snowfall in Belfast, Tennessee, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.

Yearly Snowfall in Belfast, Tennessee,

Weather experiences in Belfast

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Average Weather in Belfast by Month

Click on a month below to see detailed weather info for Belfast. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.

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