December update
January to March
Temperature summary
For January and January-February-March as a whole, above-average temperatures are more likely than below-average temperatures. Impacts from cold weather remain possible, but they are less likely than normal. Overall, the probability that the UK-average temperature for January-February-March will fall into the coldest of our five categories is 5% and the probability that it will fall into the warmest of our five categories is around 50% (the 1981-2010 probability for each of these categories is 20%).
Precipitation summary
For January and January-February-March as a whole, above-average precipitation is more likely than below-average precipitation. The probability that UK-average precipitation for January-February-March will fall into the driest of our five categories is between 15% and 20% and the probability that it will fall into the wettest of our five categories is around 30% (the 1981-2010 probability for each of these categories is 20%).