Ballymena climate

Ballymena Weather in April

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

Average highs run from 9°C on April 1 to 11°C on April 30, and lows from 5°C to 6°C. Normal precipitation for the month is 76 mm over about 16 wet days.

April day by day

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

Normal daily high and low temperature at Ballymena, in °C, with the record for each date.-20-100102030151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
10°C
Average low
5°C
Precipitation
76 mm
Record high
23°CApr 30, 2025
Record low
-11°CApr 9, 2003
Daylight
13 h 05 min to 15 h 10 min
Cloud cover
77%
Humidity
86%
Dew point
6°C
Wind
22.0 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowRecord highRecord lowChance wet
Apr 19°C5°C17°C 1995-3°C 199653%
Apr 29°C5°C17°C 1995-1°C 198854%
Apr 39°C5°C16°C 2025-3°C 198354%
Apr 49°C5°C19°C 1974-3°C 200055%
Apr 59°C5°C15°C 2014-8°C 200455%
Apr 69°C5°C18°C 2011-3°C 197956%
Apr 79°C5°C16°C 2025-1°C 198656%
Apr 810°C5°C18°C 2025-3°C 197755%
Apr 910°C5°C19°C 2011-11°C 200353%
Apr 1010°C5°C20°C 2025-4°C 199853%
Apr 1110°C5°C21°C 2025-6°C 200451%
Apr 1210°C5°C19°C 2025-2°C 199850%
Apr 1310°C5°C18°C 2007-3°C 200448%
Apr 1410°C5°C20°C 2007-1°C 200047%
Apr 1510°C5°C19°C 2003-4°C 200847%
Apr 1610°C5°C21°C 2003-5°C 200848%
Apr 1710°C5°C21°C 2003-6°C 200849%
Apr 1810°C6°C19°C 2003-9°C 200451%
Apr 1910°C6°C19°C 2011-2°C 199950%
Apr 2010°C6°C19°C 2011-2°C 198350%
Apr 2111°C6°C20°C 20110°C 200349%
Apr 2211°C6°C21°C 2011-5°C 200350%
Apr 2311°C6°C19°C 2015-3°C 200651%
Apr 2411°C6°C19°C 1987-3°C 198952%
Apr 2511°C6°C21°C 1975-2°C 198951%
Apr 2611°C6°C22°C 1987-1°C 200351%
Apr 2711°C6°C22°C 1987-5°C 200752%
Apr 2811°C6°C19°C 1984-1°C 198953%
Apr 2911°C6°C21°C 2025-5°C 197352%
Apr 3011°C6°C23°C 20250°C 200353%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Ballymena, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+1).

April 1
sunrise 6:57 AM, sunset 8:02 PM
April 30
sunrise 5:48 AM, sunset 8:58 PM

Every day of April: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station UKM00003917, every year on file, quality-flagged values removed. 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.