Surrey weather in May
Long-run climate averages for Surrey, British Columbia in May, plus what the forecast models say for the days ahead.
In May, Surrey averages 18°C by day and 8°C at night. The wettest month is usually December.
May in Surrey averages a daytime high of 18°C and an overnight low of 8°C, which reads as mild for this part of the world. Across the whole year Surrey sees roughly 1478 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live Surrey forecast with every model compared and how much they currently agree.
Surrey weather by month
what to expect in Surrey through the yearHere is Surrey's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Surrey by season.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Surrey, scoring 88/100 on our CheckWeather Score, ahead of the Env. Canada at 77. See the full CA accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Surrey in May?
Is May a good time to visit Surrey?
Does it rain a lot in Surrey in May?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .