ClimateForecastMayJune >>

Climate in Johnston (Dyfed), United Kingdom

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for Johnston

Mon   May 06
17°C | 7°C
N 22 km/h
0.2 mm
partly cloudy and small chance of slight rain

partly cloudy and small chance of slight rain

Tue   May 07
17°C | 8°C
N 18 km/h
broken clouds and no rain

broken clouds and no rain

Wed   May 08
17°C | 5°C
S 11 km/h
broken clouds and no rain

broken clouds and no rain

The best time of year to visit Johnston in the United Kingdom

Other facts from our historical weather data:

  • Which is the warmest month in Johnston?
    August has an average maximum temperature of 19°C and is the warmest month of the year.
  • Which is the coldest month in Johnston?
    The coldest month is February with an average maximum temperature of 10°C.
  • Which is the wettest month in Johnston?
    November tops the wettest month list with 128 mm of rainfall.
  • Which is the driest month in Johnston?
    May is the driest month with 67 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.