The weather in Mersea Island on sunday 12 October 2025
The average max temperature in Mersea Island on 12 October is normally around 16°C. For comparison: the highest daytime temperature in the past 10 years was 21°C in 2018, while the lowest was 13°C in 2019.
There’s a good chance of precipitation, as 8 out of the last 10 years saw some, with an average of 3,1 mm on this day. The wind often comes from the Southwest with a maximum strength of 4 Bft.The UV index can reach 4.
Temperature on 12 October in Mersea Island per year
This chart shows the average temperature on 12 October in Mersea Island, measured in degrees Celsius, over the past years.
Precipitation on 12 October in Mersea Island over the past years
This chart shows the total measured precipitation in millimetres on 12 October in Mersea Island over the past years.
Average Weather in Mersea Island by Month
Click on a month below to see detailed weather info for Mersea Island. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Mersea Island for all months at once