Best year time to visit Ulster

General weather information about Ulster

Average annual temperature is 9.7 °C

Absolute maximum temperature: 32.7 °C

Absolute minimum temperature: -19.8 °C

Number of sunny days: 146 days

Number of rainy days: 201 days

Number of snow days: 18 days

Look at detailed online map of Ulster

* Weather data for Ulster United States is based on climate observations for 2026 year

Ulster air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.015.613.928.429.631.532.728.031.427.216.211.2
Average daytime temperature (°C)4.06.56.616.519.923.628.024.822.316.27.85.9
Average temperature (°C)0.70.01.29.612.517.521.819.216.511.43.02.4
Average night temperature (°C)-2.0-4.8-3.03.95.612.116.614.711.97.5-0.7-0.4
Absolute minimum temperature (°C)-8.1-19.8-9.8-4.4-1.66.612.710.05.5-1.0-6.4-6.4

Ulster monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.510.611.913.414.615.214.913.812.511.19.89.2
Daylight minimum duration (h)9.010.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)2.96.06.38.812.011.211.310.28.77.06.53.4
Precipitation (mm)7952878837102131200638135126
Sunny days91071222127915161710
Rainy days16142018918242215151119
Snow days644000000022

Best time to visit Ulster:

The best time to visit Ulster during the most sunny months:

  • May — 12.0(h)
  • June — 11.2(h)
  • July — 11.3(h)
  • August — 10.2(h)

The largest precipitation sum in Ulster is at

  • July — 131(mm)
  • August — 200(mm)
  • December — 126(mm)
  • Frequently asked questions

    When is the best time to visit Ulster?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Ulster.
    What is the weather like in Ulster?
    See average temperature, rainfall and daylight hours for Ulster by month in the table above.
    How many sunny days does Ulster have?
    The monthly weather statistics above show sunshine and rainfall patterns for Ulster throughout the year.