Belfast climate

Belfast Weather in April

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

Average highs run from 23°C on April 1 to 21°C on April 30, and lows from 11°C to 7°C. Normal precipitation for the month is 51 mm over about 9 wet days.

April day by day

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

Normal daily high and low temperature at Belfast, in °C, with the record for each date.0102030151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

April at a glance

Average high
22°C
Average low
9°C
Precipitation
51 mm
Reanalysis high
30°CApr 5, 1998
Reanalysis low
0°CApr 7, 1997
Daylight
11 h 49 min to 11 h 09 min
Cloud cover
48%
Humidity
70%
Dew point
8°C
Wind
10.4 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
Apr 123°C11°C29°C 19988°C 200644%
Apr 223°C10°C28°C 20027°C 201242%
Apr 323°C10°C28°C 20036°C 201241%
Apr 423°C10°C28°C 19985°C 201240%
Apr 523°C10°C30°C 19986°C 201339%
Apr 622°C10°C30°C 19983°C 200038%
Apr 722°C10°C28°C 19980°C 199738%
Apr 822°C10°C29°C 19982°C 199138%
Apr 922°C9°C29°C 20032°C 199138%
Apr 1022°C9°C26°C 20024°C 199137%
Apr 1122°C9°C27°C 20074°C 199537%
Apr 1222°C9°C27°C 20033°C 199537%
Apr 1322°C9°C27°C 20163°C 199337%
Apr 1422°C9°C27°C 20162°C 199337%
Apr 1522°C9°C27°C 20166°C 201238%
Apr 1622°C9°C26°C 19995°C 200837%
Apr 1722°C9°C28°C 19926°C 199537%
Apr 1822°C9°C27°C 19926°C 201736%
Apr 1922°C9°C27°C 19925°C 199135%
Apr 2022°C9°C27°C 20165°C 200833%
Apr 2122°C8°C26°C 19921°C 200832%
Apr 2222°C8°C26°C 20030°C 200831%
Apr 2322°C8°C26°C 20163°C 200831%
Apr 2421°C8°C27°C 19982°C 199730%
Apr 2521°C8°C27°C 19983°C 201430%
Apr 2621°C8°C27°C 19984°C 199429%
Apr 2721°C8°C27°C 19984°C 200927%
Apr 2821°C8°C28°C 19984°C 200725%
Apr 2921°C8°C26°C 20021°C 200724%
Apr 3021°C7°C27°C 19981°C 200722%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Belfast, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+2).

April 1
sunrise 6:09 AM, sunset 5:58 PM
April 30
sunrise 6:22 AM, sunset 5:31 PM

Every day of April: 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.