Omagh climate

Omagh Weather in May

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

Average highs run from 12°C on May 1 to 15°C on May 31, and lows from 5°C to 8°C. Normal precipitation for the month is 81 mm over about 16 wet days.

May day by day

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

Normal daily high and low temperature at Omagh, in °C, with the record for each date.-50510152025151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

May at a glance

Average high
14°C
Average low
6°C
Precipitation
81 mm
Reanalysis high
23°CMay 28, 2018
Reanalysis low
-1°CMay 3, 1996
Daylight
15 h 12 min to 16 h 52 min
Cloud cover
76%
Humidity
85%
Dew point
8°C
Wind
18.0 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
May 112°C5°C19°C 19971°C 201556%
May 212°C5°C19°C 19970°C 199355%
May 312°C5°C19°C 1995-1°C 199654%
May 413°C5°C18°C 20070°C 199653%
May 513°C5°C17°C 20081°C 201953%
May 613°C5°C20°C 19951°C 201952%
May 713°C5°C19°C 20081°C 199652%
May 813°C5°C20°C 20001°C 201052%
May 913°C5°C20°C 20161°C 200552%
May 1013°C6°C19°C 20060°C 200553%
May 1113°C6°C21°C 20061°C 202054%
May 1213°C6°C21°C 20011°C 201055%
May 1313°C6°C21°C 19981°C 199556%
May 1413°C6°C19°C 19920°C 202056%
May 1513°C6°C18°C 20172°C 200356%
May 1613°C6°C19°C 20022°C 199555%
May 1714°C6°C19°C 19981°C 201354%
May 1814°C6°C21°C 19980°C 199654%
May 1914°C6°C22°C 19981°C 199654%
May 2014°C6°C20°C 20103°C 199455%
May 2114°C7°C20°C 20103°C 200656%
May 2214°C7°C22°C 20102°C 200455%
May 2314°C7°C20°C 20013°C 200655%
May 2415°C7°C22°C 20122°C 199756%
May 2515°C7°C22°C 20173°C 200656%
May 2615°C7°C22°C 20173°C 200056%
May 2715°C7°C22°C 20123°C 199455%
May 2815°C7°C23°C 20182°C 201055%
May 2915°C8°C22°C 20182°C 200755%
May 3015°C8°C21°C 20032°C 200756%
May 3115°C8°C22°C 19974°C 200656%

Chance of rain

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

Sunrise and sunset

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

May 1
sunrise 5:51 AM, sunset 9:03 PM
May 31
sunrise 5:01 AM, sunset 9:53 PM

Every day of May: 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.