March 2021

Moody March skies on a walk around Bampton in south Devon

A little warmer and rather drier than normal with below average sunshine. Overall a pleasant and mostly benign month. Warmest March since 2019 (9.5C), driest since 2012 (14.4 mm) and the dullest since 2018 (89.3 hours).

Summary for March 2021
Mean Max: 13.0ºC (+2.0ºC)
Mean Min: 3.9ºC (-0.2ºC)
Mean: 8.4ºC (+0.9ºC)
High Max: 19.7ºC 30th
Low Max: 8.6ºC 5th
High Min: 10.0ºC 28th
Low Min: -3.9ºC 8th
Mean Grass Min: 1.3ºC  
Grass Min: -4.4ºC 8th
Days  >15°C 7 Days  
Days >10°C 26 Days  
Nights  >10°C 1 Day  
Nights  <5°C 16 Days  
Rain Total (gauge): 31.7 mm (50%)
Rain Total (tipping bucket): 37.6 mm (59%)
Rain Days >0.2 mm: 8 Days  
Rain Days >1.0 mm: 6 Days  
Max 24 hrs: 7.8 mm 13th
Days without any rain: 23  
Air Frost: 7 Days  
Grass Frost: 8 Days  
Snow Falling: 0 Days  
Snow (50%) @ 9am: 0 Days  
Ice Days: 0 Days  
Thunder Heard: 0 Days  
Hail <5 mm: 1 Day  
Hail >5 mm: 0 Days  
Fog @ 9am: 0 Days  
Total Monthly Sunshine: 125.6 Hours (87%)
Most Sunshine in a Day: 9.8 Hours 30th
Average Daily Sunshine: 4.1 Hours  
Sunless Days: 0 Days  
Cloudless Days: 0 Days  
Total Possible Sunshine: 315.1 Hours  
Percentage of Total Sun: 40%  
Average Sunny Interval: 20.0 mins
Maximum UV Index: 4.0 25th
Mean Soil Temp @ 10 cm: 7.8ºC  
Min Soil Temp @ 10 cm: 5.5ºC 8th
Max Soil Temp @ 10 cm: 11.2ºC 26th
Mean Soil Temp @ 30 cm: 7.9ºC  
Min Soil Temp @ 30 cm: 6.1ºC 9th
Max Soil Temp @ 30 cm: 10.0ºC 26th
Mean Soil Temp @ 100 cm: 8.5ºC  
Min Soil Temp @ 100 cm: 7.8ºC 11th
Max Soil Temp @ 100 cm: 10.0ºC 26th
Ave 10 Min Wind >39 mph: 0.00 Days  
N: 6.13 Days 20%
NE: 2.05 Days 7%
E: 1.09 Days 4%
SE: 0.47 Days 2%
S: 3.23 Days 10%
SW: 5.23 Days 17%
W: 2.95 Days 10%
NW: 5.30 Days 17%
Calm: 4.57 Days 15%
Wind Chill Low: -6.9ºC 8th
Mean Wind: 4.5 mph  
Max Gust: 46 mph 11th
Mean Cloud Cover: 55%  
Mean RH @ 9am: 90%  
Rain >0.1mm/hour: 11.6 Hours  
Frost Duration: 46.7 Hours  
Air Frost in a Day: 12.0 Hours 8th
Mean Sea Temperature: 9.1ºC (+0.3ºC)
Normal for Month: 8.8ºC  
Max Sea Temperature: 11.3ºC 30th
Min Sea Temperature: 7.8ºC 8th
Mean Pressure @ 9am: 1023.5 hPa  
Mean Pressure: 1022.7 hPa  
Max Pressure: 1036.3 hPa 17th
Min Pressure: 993.7 hPa 11th
Max Change in 24 hours: 19.7 hPa 10th
Radiation Daily Mean: 9.61 MJ/m²  
Max Daily Value: 17.29 MJ/m² 30th
Min Daily Value: 2.87 MJ/m² 10th
Number of Days with Data: 31 Days  
1-Hour Maximum: 688 W/m² 25th
Starting Time of the Hour:   12:00
Max Dewpoint: 12.6ºC 31st
Min Dewpoint: -5.0ºC 8th
Mean Dewpoint: 5.0ºC  
Max Humidity: 100% 30th
Min Humidity: 43% 17th
Mean Humidity: 81%  
 
Weather Data for Otter Valley, Devon. March 2021
  Temp oC Grass Hum (%) Soil oC (cm) Soil DP (oC) Wind (mph) Rain Air (hPa) W/m² UV Sun Frost Sea Observations
  Min Max Min Min Max 10 30 100 (cb) Min Max Max Ave Run mm Min Max Max Max Hours Hours Temp
1 5.1 13.2 0.6 61 92 6.9 7.2 8.3 0.0 1.9 7.2 11 2.9 69 0.0 1028 1033 471 2.4 7.5 0.0 9.1 Sunny intervals all day
2 -0.6 9.6 -1.1 76 99 6.6 7.2 8.3 0.0 -1.6 6.0 7 1.9 46 0.0 1027 1030 458 2.3 5.9 3.1 8.9 Sunny intervals all day
3 3.3 11.7 1.1 92 98 6.7 7.2 8.3 0.0 2.1 10.9 13 1.5 36 5.4 1025 1028 425 2.1 0.6 0.0 9.0 Brief sunny intervals
4 6.9 9.2 4.4 81 99 7.8 7.8 8.8 0.0 2.3 8.0 11 2.5 59 0.0 1024 1027 192 1.6 0.0 0.0 9.0 Cloudy all day
5 1.4 8.6 -1.1 57 91 7.3 7.8 8.3 0.0 -2.2 3.2 15 3.2 76 0.0 1027 1034 607 2.5 2.2 0.0 8.9 Sunny intervals all day
6 -1.1 8.7 -2.2 54 92 6.5 7.3 8.3 0.0 -2.8 1.5 12 2.1 51 0.0 1031 1035 492 2.8 0.0 4.0 8.6 Cloudy all day
7 -3.2 9.3 -3.9 51 95 5.9 6.8 8.3 0.0 -4.5 1.1 13 2.4 56 0.0 1026 1032 554 2.6 6.8 11.8 8.4 Sunny intervals all day
8 -3.9 12.4 -4.4 52 96 5.5 6.3 8.3 0.0 -5.0 4.1 8 1.4 33 0.0 1023 1027 543 2.8 7.5 12.0 8.3 Sunny intervals all day
9 -2.4 12.2 -2.8 63 97 5.5 6.1 8.1 0.0 -3.6 6.7 26 4.7 113 0.0 1018 1025 471 2.6 7.1 10.3 8.4 Sunny intervals all day
10 7.3 12.0 3.9 78 98 6.1 6.2 7.8 0.0 4.1 11.4 32 13.5 324 3.6 998 1018 127 1.4 0.0 0.0 8.7 Cloudy all day
11 5.8 12.0 1.7 66 94 7.2 7.1 7.8 0.0 3.2 10.5 46 10.0 240 7.6 994 1008 631 3.0 4.0 0.0 8.9 Sunny intervals all day
12 4.7 10.9 1.7 70 93 7.0 7.2 7.8 0.0 2.7 7.7 29 6.0 145 5.6 998 1009 537 2.5 2.4 0.0 8.9 Sunny intervals all day
13 6.1 10.1 2.2 65 94 7.2 8.8 9.1 0.0 2.2 7.3 31 7.6 184 7.8 994 1008 719 2.9 5.0 0.0 9.0 Sunny intervals all day
14 6.3 13.4 2.8 58 90 7.1 7.3 7.8 0.0 3.0 8.3 24 7.2 173 0.0 1008 1021 715 3.1 4.4 0.0 9.0 Sunny intervals all day
15 8.5 13.8 4.4 68 93 7.9 7.7 8.3 0.0 7.3 9.4 21 5.7 137 0.0 1019 1028 485 3.1 2.1 0.0 9.1 Sunny intervals all day
16 8.4 16.3 0.0 75 96 8.5 7.9 8.3 0.0 4.7 12.3 23 4.0 95 0.0 1028 1033 751 3.6 4.8 0.0 9.3 Sunny intervals all day
17 0.5 15.9 -1.7 43 98 8.2 8.2 8.3 0.0 -0.3 8.9 12 2.2 52 0.0 1033 1036 538 3.0 6.0 0.0 9.3 Sunny intervals all day
18 -0.4 16.7 -2.2 60 99 7.8 8.0 8.3 0.0 -1.3 9.2 18 3.4 81 0.0 1027 1035 555 3.2 7.7 5.3 9.3 Sunny intervals all day
19 6.8 12.2 3.9 72 96 8.0 8.0 8.3 0.0 5.5 8.1 21 4.6 110 0.0 1025 1032 392 3.6 0.6 0.0 9.2 Brief sunny intervals
20 2.2 12.5 1.7 73 98 8.1 8.3 8.3 0.0 1.2 8.0 13 2.1 51 0.0 1031 1034 308 2.5 0.2 0.0 9.3 Brief sunny intervals
21 7.8 13.1 2.8 72 94 8.5 8.3 8.3 0.0 4.0 9.1 13 1.9 46 0.0 1028 1031 372 3.3 1.3 0.0 9.4 Sunny intervals all day
22 -0.1 15.2 0.0 59 98 8.2 8.3 8.3 0.0 -0.9 9.0 13 1.9 45 0.0 1026 1029 792 3.8 5.7 0.2 9.5 Sunny intervals all day
23 3.9 12.5 2.2 78 96 8.4 8.3 8.6 0.0 2.4 9.1 27 5.1 123 0.0 1022 1027 581 3.8 3.3 0.0 9.5 Sunny intervals all day
24 7.4 14.4 2.8 63 97 8.7 8.4 8.9 0.0 3.8 9.7 14 2.6 61 0.0 1020 1023 584 3.1 2.4 0.0 9.6 Sunny intervals all day
25 0.2 15.7 0.0 66 99 8.5 8.7 8.9 0.0 -0.7 11.4 27 5.2 124 0.4 1015 1022 796 4.0 6.8 0.0 9.6 Sunny intervals all day
26 9.1 12.9 3.9 57 96 11.2 10.0 10.0 0.0 1.2 9.7 34 9.1 218 6.8 1008 1015 632 3.8 4.8 0.0 9.4 Sunny intervals all day
27 2.1 12.8 1.7 63 95 8.6 8.9 8.9 0.0 0.7 8.3 26 5.4 129 0.4 1015 1025 683 4.0 5.4 0.0 9.2 Sunny intervals all day
28 10.0 14.0 7.2 79 87 9.0 8.9 8.9 0.0 6.4 9.7 30 10.9 262 0.0 1022 1025 232 2.1 0.0 0.0 9.1 Cloudy all day
29 9.9 14.9 3.3 75 96 9.3 9.0 8.9 0.0 3.7 11.0 26 6.3 157 0.0 1025 1029 613 3.9 7.5 0.0 9.6 Sunny intervals all day
30 1.6 19.7 1.7 52 100 9.2 9.2 8.9 0.0 1.0 11.7 14 1.3 47 0.0 1020 1029 591 3.9 9.8 0.0 10.0 Sunny intervals all day
31 5.9 17.2 4.4 69 91 9.6 9.4 8.9 0.0 8.2 12.6 12 2.3 22 0.0 1017 1020 591 3.2 3.8 0.0 9.1 Sunny intervals all day
3.9 13.0 1.3 66 95 7.8 7.9 8.5 0.0 1.6 8.4 20 4.5 3365 37.6 1019 1026 530 3.0 125.6 46.7 9.1  
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