December 2024

Salcombe Mouth beach on a fine December day

Warmer, wetter and much duller than the long term average.

Summary for December 2024
Mean Max: 10.7ºC (+1.4ºC)
Mean Min: 5.7ºC (+2.4ºC)
Mean: 8.2ºC (+1.9ºC)
High Max: 14.2ºC 1st
Low Max: 6.8ºC 11th
High Min: 11.5ºC 18th
Low Min: -0.3ºC 4th
Days  >10°C 18 Days  
Days >5°C 31 Days  
Nights  >10°C 2 Days  
Nights  >5°C 22 Days  
Rain Total (gauge): 110.4 mm (123%)
Rain Total (tipping bucket): 109.0 mm (121%)
Rain Days >0.2 mm: 17 Days  
Rain Days >1.0 mm: 12 Days  
Max 24 hrs: 26.4 mm 23rd 
Days without any rain: 14  
Air Frost: 3 Days  
Grass Frost: 0 Days  
Snow Falling: 0 Days  
Snow (50%) @ 9am: 0 Days  
Ice Days: 0 Days  
Thunder Heard: 0 Days  
Hail <5 mm: 0 Days  
Hail >5 mm: 0 Days  
Fog @ 9am: 0 Days  
Maximum UV Index: 1.0 1st
Ave 10 Min Wind >39 mph: 0.00 Days  
N: 4.93 Days 16%
NE: 2.59 Days 8%
E: 0.40 Days 1%
SE: 0.07 Days 0%
S: 2.71 Days 9%
SW: 3.78 Days 12%
W: 2.94 Days 9%
NW: 6.30 Days 20%
Calm: 7.27 Days 23%
Wind Chill Low: -1.9ºC 4th
Mean Wind: 4.1 mph  
Max Gust: 45 mph 7th
Mean Cloud Cover: 75%  
Mean RH @ 9am: 88%  
Rain >0.1mm/hour: 11.9 Hours  
Frost Duration: 4.7 Hours  
Air Frost in a Day: 2.6 Hours 4th
Mean Pressure @ 9am: 1023.6 hPa  
Mean Pressure: 1022.4 hPa  
Max Pressure: 1035.0 hPa 26th
Min Pressure: 997.2 hPa 19th
Max Change in 24 hours: 25.2 hPa 19th
Radiation Daily Mean: 2.29 MJ/m²  
Max Daily Value: 4.54 MJ/m² 8th
Min Daily Value: 0.89 MJ/m² 28th
Number of Days with Data: 31 Days  
1-Hour Maximum: 276 W/m² 19th
Starting Time of the Hour:   12:00
Max Dewpoint: 12.6ºC 1st
Min Dewpoint: -1.9ºC 20th
Mean Dewpoint: 6.0ºC  
Max Humidity: 94% 4th
Min Humidity: 67% 8th
Mean Humidity: 86%  
Total Monthly Sunshine: 55.1 Hours  
Most Sunshine in a Day: 7.6 Hours 8th
Average Daily Sunshine: 1.8 Hours  
Sunless Days: 11 Days  
Cloudless Days: 1 Day  
Total Possible Sunshine: 249.6 Hours  
Percentage of Total Sun: 22.0%  

 
 

 

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