Annual mean 18°C · wettest around April · prevailing wind N
Warmest
27.8 °C
Coldest
16.1 °C
Wettest
72%
Windiest
3.6 m/s
Prevailing
N
2.9 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Orkney over the whole year is 18°C. December is the hottest month, with highs of about 27°C; July is the coldest, with lows of about 3°C. The rainy (wet) season in Orkney runs from September to June, peaking in April with a 52% chance of rain on a given day. The dry season is July to August; July is the driest month, at 19%. Winds in Orkney are highest in November, averaging 2.8 m/s (10 km/h), and lightest in May, at 1.7 m/s (6 km/h). The prevailing wind is from the N. The clearest skies in Orkney come in June, when the sky is typically 9% covered; February is the cloudiest month, at 42%.
Month by month Orkney climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
27°C
17°C
26°C
52%
39%
2.3 m/s
60
61
21
February
26°C
17°C
26°C
49%
42%
2.1 m/s
63
60
22
March
26°C
16°C
25°C
39%
27%
2.1 m/s
72
51
31
April
23°C
12°C
21°C
52%
27%
1.9 m/s
80
23
56
May
20°C
7°C
18°C
36%
16%
1.7 m/s
75
6
77
June
17°C
4°C
14°C
43%
9%
1.9 m/s
46
0
83
July
18°C
3°C
13°C
19%
10%
2.0 m/s
38
0
80
August
21°C
6°C
16°C
30%
12%
2.3 m/s
60
2
80
September
25°C
11°C
20°C
42%
17%
2.6 m/s
78
18
63
October
27°C
14°C
23°C
49%
26%
2.6 m/s
73
40
43
November
27°C
16°C
24°C
45%
28%
2.8 m/s
67
49
33
December
27°C
18°C
25°C
52%
35%
2.7 m/s
58
57
23
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Orkney weather by season
Year round, Orkney has days of about 17°C at their warmest in June, its coolest month, and 27°C in December, its warmest; the coolest hours of the day run from 3°C to 18°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around April and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Orkney weather in winterJune to August
High 19°CLow 4°CRain 31%
Winter in Orkney has typical daily highs of about 19°C and lows of about 4°C, with a 31% chance of rain on a given day.
Orkney weather in springSeptember to November
High 26°CLow 13°CRain 45%
Spring in Orkney has typical daily highs of about 26°C and lows of about 13°C, with a 45% chance of rain on a given day.
Orkney weather in summerDecember to February
High 27°CLow 17°CRain 51%
Summer in Orkney has typical daily highs of about 27°C and lows of about 17°C, with a 51% chance of rain on a given day.
Orkney weather in autumnMarch to May
High 23°CLow 11°CRain 43%
Autumn in Orkney has typical daily highs of about 23°C and lows of about 11°C, with a 43% chance of rain on a given day.
When is the rainy season in Orkney?
The rainy (wet) season in Orkney runs from September to June, peaking in April with a 52% chance of rain on a given day. The dry season is July to August; July is the driest month, at 19%.
What time of year is Orkney windiest?
Winds in Orkney are highest in November, averaging 2.8 m/s (10 km/h), and lightest in May, at 1.7 m/s (6 km/h). The prevailing wind is from the N.
What is the average temperature in Orkney year round?
The average temperature in Orkney over the whole year is 18°C. December is the hottest month, with highs of about 27°C; July is the coldest, with lows of about 3°C.