Weather in January in Belfast, Northern Ireland

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	Normal Max/ High Temperature	6°C (43°F)
	Average Temperature	4°C (39°F)
	Min/ Low Temperature	2°C (36°F)
	Normal Precipitation	80mm (3.1in)
	Number of Wet Days (probability of rain on a day)	20 (65%)
	Average Sunlight per day	01h 27'
	Average Daylight per day	07h 54'
	Sunny (Cloudy) Daylight Hours	19% (81%)
	Sun altitude at solar noon on the 21st day.	15.5°

The average temperature in Belfast, Northern Ireland in January is cool at 4 °C (39.2 °F).
Afternoons can be cool with average high temperatures reaching 6 °C (42.8 °F).
Overnight temperatures are generally very cool with an average low of 2 °C (35.6 °F).
The variation/ range of daily average temperatures in January is 4 °C (7.2 °F).
Precipitation averages for January are moderate with 80mm (3.1 in) recorded across 20 days.
The blue above Belfast, Northern Ireland is dismal with on balance just 1h 27' of resplendent sunshine per day.
The shortest day is 7h 21' long and the longest day is 8h 39' long with an average length of 7h 54'.
There are approximately 6h 11' per day when the sun is occluded by cloud, haze, fog etc.
It is sunny approximately 19% of daylight hours and cloudy 81% of daylight hours.

Weather Trend Graph for January in Belfast, Northern Ireland, Uk

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