Belfast climate

Belfast Weather in October

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 26°C on October 1 to 26°C on October 31, and lows from 9°C to 11°C. Normal precipitation for the month is 81 mm over about 16 wet days.

October 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.010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

October at a glance

Average high
26°C
Average low
10°C
Precipitation
81 mm
Reanalysis high
33°COct 21, 2019
Reanalysis low
2°COct 4, 2018
Daylight
12 h 20 min to 13 h 03 min
Cloud cover
59%
Humidity
59%
Dew point
7°C
Wind
13.7 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
Oct 126°C9°C30°C 20033°C 201330%
Oct 226°C9°C32°C 20084°C 201331%
Oct 326°C9°C32°C 20032°C 201633%
Oct 426°C9°C32°C 20052°C 201834%
Oct 526°C9°C33°C 20152°C 201836%
Oct 626°C9°C32°C 20033°C 199437%
Oct 726°C9°C32°C 20042°C 199438%
Oct 826°C10°C32°C 20153°C 199939%
Oct 926°C10°C31°C 20153°C 199939%
Oct 1026°C10°C32°C 20036°C 201738%
Oct 1126°C10°C32°C 20103°C 201740%
Oct 1226°C10°C32°C 19956°C 201742%
Oct 1326°C10°C32°C 20156°C 199943%
Oct 1426°C10°C33°C 20086°C 199945%
Oct 1526°C10°C32°C 20195°C 199445%
Oct 1626°C10°C32°C 20025°C 201045%
Oct 1726°C10°C32°C 20024°C 199747%
Oct 1826°C10°C33°C 20192°C 201448%
Oct 1926°C10°C33°C 20192°C 200350%
Oct 2026°C10°C33°C 20194°C 200352%
Oct 2126°C10°C33°C 20195°C 201852%
Oct 2226°C10°C30°C 20103°C 201852%
Oct 2326°C11°C33°C 20114°C 201852%
Oct 2426°C11°C32°C 20116°C 201854%
Oct 2526°C11°C33°C 20197°C 201255%
Oct 2626°C11°C30°C 20036°C 199555%
Oct 2726°C11°C32°C 20166°C 201755%
Oct 2826°C11°C33°C 20195°C 201755%
Oct 2926°C11°C32°C 20165°C 201755%
Oct 3026°C11°C33°C 20166°C 201757%
Oct 3126°C11°C33°C 20165°C 200457%

Chance of rain

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

Sunrise and sunset

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

October 1
sunrise 5:40 AM, sunset 6:00 PM
October 31
sunrise 5:12 AM, sunset 6:15 PM

Every day of October: 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.