December 2003 Temperatures in Bolton
Average max: 6.1C
Highest max: 11.3C, 13th
Lowest max: 0.7C, 22nd

Average min: 1.9C
Highest min: 10.1C, 13th
Lowest min: -5.5C, 31st

Average temp(˝max+min): 4.1C

No. days with rain observed: 13
No. days with snow observed: 2

No. ground frosts: 15
No. air frosts: 10

Overall an average month for temperatures and rainfall. From the 1st to the 3rd it was mild and wet, then from the 4th to the 10th it turned much colder and drier with frost and plenty of sun. From the 11th to the 14th it turned much milder and wetter with some heavy rain at times. The 13th was very mild, both the highest max of 11.3C and the highest min of 10.1C were recorded on this date. From the 15th till the 22nd it turned cooler again with frost but some rain at times. The lowest max of 0.7C was recorded on the 22nd. From the 23rd until the 28th it turned milder and wetter again and from the 28th till the 31st it was much colder, the lowest temperature of -5.5C was recorded on the 31st and also with 5cm of snow.
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