Monthly Weather Data Derbyshire Lane Sheffield South Yorkshire Dec 2020
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  Max Temp Min Temp Dry Bulb Wet Bulb Soil Temp Barometer  Rain Humidity Max Gust Average Force Win Dir
Day Deg F Deg F Deg F Deg F Deg F Inches MM Percent MPH MPH Beaufort   Comments
1 44.4 37.0 37.4 36.5 45.5 30.24 0.0 91 13 4 2 NNW Slight ground frost cold start then dry with sunny spells
2 47.3 36.9 42.8 42.3 44.6 30.06 0.0 95 22 5 2 SSW Mild cloudy start to the day dry and cloudy sunny spells by evening light drizzle around lunchtime
3 39.0 38.5 39.0 37.6 44.4 29.39 5.1 85 17 6 2 SSW Light rain and cool start cold wet day with showers or longer spells of rain turning to sleet and wet snow in the evening
4 37.6 34.0 36.3 35.2 44.1 28.76 14.2 89 20 8 3 NNW Cloudy cold start rlight snow turning to sleet by midday. Dry for a while late afternoon then more rain turning to sleet then Snow
5 41.0 32.9 34.5 34.3 43.5 29.26 4.4 98 10 2 1 NNE Cold dry start some Snow on car windscreens and lawns cold. Light rain showers afternoon and a few sunny spells
6 42.6 34.0 38.7 38.7 43.0 29.60 1.7 100 10 2 1 NNE Light rain cool start with light winds and cold by day.light showers on and off during the day
7 38.8 34.7 35.6 35.6 42.8 29.50 0.0 100 13 3 1 NNE Cold start dry and cloudy start sunny spells later
8 43.5 34.7 36.5 35.8 42.8 29.50 1.2 93 18 4 3 SSW Cold start dry with some sunny spells cloudy in the afternoon with drizzle showings more rain overnight
9 42.6 36.1 41.2 41.0 42.4 29.70 0.2 98 11 2 1 VAR Cloudy but dry temperatures just above normal at dawn. Sunny Spells later cold by day
10 44.1 36.7 37.4 37.2 42.6 29.55 3.5 98 18 1 1 VAR Cloudy odd spot of rain generally cloudy and dull drizzle and mist from evening with some heavier bursts of rain overnight
11 47.1 37.2 44.1 44.1 42.8 29.08 1.1 100 10 3 1 SSE Misty mild dreary start cloudy morning odd sunny spell afternoon overnight fog
12 47.7 43.0 45.3 45.0 43.7 29.39 0.6 97 22 3 1 VAR Light rain from time to time mild start cool by day light showers in the morning dry in the afternoon
13 49.8 36.5 36.9 36.7 43.7 29.61 13.6 98 24 3 1 S Light to moderate rain during the morning heavier later lasting into the evening
14 49.1 36.3 48.0 47.1 43.7 29.26 0.2 93 26 11 3 SSW Early heavy showers then mostly dry by the afternoon with sunny spells a few isolated late showers late afternoon and dusk
15 47.1 42.3 42.6 42.3 43.7 29.10 0.0 96 19 7 2 SSW Dry mild clear skies to start then dry with sunny spells
16 47.3 41.7 45.7 44.8 43.7 29.65 4.6 93 22 7 2 SSE Dry mild start rain soon arriving light until after lunch when a short heavier spell arrived dry from early evening
17 52.3 41.0 42.1 41.4 43.7 29.75 4.5 94 24 5 2 SW Dry with sunny spells during the morning but drizzle showers in the afternoon. Rain overnight
18 54.5 41.9 52.3 51.6 43.7 29.70 15.7 95 30 9 3 SSW Damp very mild start with drizzle after overnight rain
19 49.5 48.9 48.9 47.8 45.3 29.45 2.2 92 24 7 2 SSW Mild dry with sunny spells after heavy overnight rain. The evening seeing one heavy shower light showers during the afternoon
20 45.5 40.6 41.0 39.9 45.3 29.71 0.2 90 20 6 2 SSW Mild with sunny spells isolated light showers
21 52.3 38.3 40.1 39.7 44.4 29.75 9.3 97 16 1 1 SSE Cloudy mild start light rain during the morning. Heavier rain in thee vening
22 41.9 40.1 40.1 38.7 44.6 29.78 4.1 87 10 4 2 VAR Clear with sunny spells light winds cloudy in the afternoon cold evenign rain
23 41.0 36.5 38.3 38.3 43.7 29.77 23.5 100 27 5 2 NNE Misty damp start with drizzle rain heavier later
24 37.4 34.0 34.7 32.7 43.5 30.10 0.3 79 16 9 3 NNW Dry sunny spells cloudier later light sleet shower just after lunch
25 44.8 30.9 32.0 30.2 41.9 30.39 0.2 80 19 3 1 NNW Rare air frost dry with hazy sunshine very cold
26 47.7 31.5 44.4 43.2 41.0 30.00 21.4 90 35 6 2 SW Mild start light winds brilliant sunrise drizzle soon arriving in the morning clearing by lunch then dry until night fall. Breezy later but nothing outstanding
27 41.4 36.3 36.5 35.4 41.2 28.71 0.8 89 24 6 2 WSW Colder sleet showers early on. Then dry with sunny spells.
28 35.4 32.9 33.3 33.1 41.2 29.70 0.9 98 13 4 2 VAR Dull misty start cold no frost. Fog during the morning then cloudy in the afternoon very cold
29 37.4 30.4 33.3 33.1 41.0 29.11 4.5 98 19 5 2 NNW Early heavy wet snow  1cm depth until mid morning. Sunny spells in the afternoon with isolated rain showers
30 36.9 32.2 32.9 32.5 40.1 29.55 0.0 96 15 2 1 SSE Cold frosty start with patchy cloud.
31 37.6 30.2 30.9 30.2 39.2 29.58 0.1 93 14 4 2 SSW Rare air frost dry with hazy sunshine very cold. Frost all day
   
Total 1364.6 1138.2     1336.8   138.1 2902.0 581.0 147.0 56.0  
Ave 44.0 36.7     43.1   4.5 93.6 18.7 4.7 1.8
158.9%
N 0.0 Number of Air Frosts 4.0 Red indicates as Snow
NNE 4.0 Days of measurable Rain 26.0 Light green Sleet
NE 0.0 Days of rain greater than 10 mm 5.0 Blue Trace Conditions
ENE 0.0 Days when gusts exceeded 50 mph 0.0 Purple Indicates Freezing Rain
E 0.0 Days when average Max exceeded 14.0
ESE 0.0 Days below average Max 17.0
SE 0.0 Days above average Min 19.0
SSE 4.0 Days below average Min 12.0
S 1.0  
SSW 9.0 1st seven day average 38.5 3.6
SW 2.0 2nd Seven day average 41.7 5.4
WSW 1.0 3rd seven day average 45.9 7.7
W 0.0 4th seven day avaerage 38.0 3.3
WNW 0.0 Final few days average 34.1 1.2
NW 0.0 Overall Average 39.7 4.3
NNW 5.0