The month ahead

The monthly outlook is based on output from global forecasting models and our own analysis.

May weather: Early chill then warmer.  

Forecast Issued 01/05/2019

Temperature

Close to average.

Precipitation

Close to average.

1/5 to 7/5

Unseasonably cold period.

Early on there will be showery rain but in the east it stays warmish. During the middle of the week much colder air sweeps southwards. Showers are likely in northern and eastern parts of the UK and in the north they could fall as snow even at low levels. Widespread nighttime frosts develop. Towards the end of the week temperatures start to recover and in the south there should be a lot of dry weather. The risk of showery rain increases in the north.

8/5 to 14/5

Rather unsettled. [Forecast confidence is moderate]

All regions are expected to have wet spells and at times rain could be heavy. There will be drier interludes too. In sunny spells it should feel warm but temperatures overall probably come in slightly below the seasonal average.

15/5 to 31/5

More settled. [Forecast confidence is low]

After a mixed start a transition to more settled weather is favoured, although it could remain more changeable in the north and west. Temperatures early on are forecast to be close to the seasonal average. Later on there is a signal for it to become increasingly warm relative to the average, especially in the south.

Important note about long range weather forecasts: It is considered impossible to say with certainty what the weather will be like more than a few days ahead in the UK. Long range forecasts on TheWeatherOutlook have not been independently verified, and we make no claims for their accuracy. A range of factors including seasonal computer models, recent weather patterns, sea surface temperatures and teleconnections are considered when making the forecasts.

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