Annual mean 9°C · wettest around April · prevailing wind E
Warmest
23.3 °C
Coldest
-2.6 °C
Wettest
42%
Windiest
2.9 m/s
Prevailing
E
2.2 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 Sisian over the whole year is 9°C. August is the hottest month, with highs of about 24°C; January is the coldest, with lows of about -7°C. The rainy (wet) season in Sisian runs from March to May, peaking in April with a 38% chance of rain on a given day. The dry season is January to February; February is the driest month, at 16%. Winds in Sisian are highest in July, averaging 2.3 m/s (8 km/h), and lightest in October, at 1.6 m/s (6 km/h). The prevailing wind is from the E. The clearest skies in Sisian come in August, when the sky is typically 44% covered; March is the cloudiest month, at 69%.
Month by month Sisian 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
1°C
-7°C
-3°C
25%
59%
1.7 m/s
0
0
5
February
3°C
-6°C
-3°C
16%
60%
1.8 m/s
0
0
5
March
7°C
-1°C
2°C
36%
69%
1.8 m/s
3
0
26
April
13°C
3°C
8°C
38%
67%
1.8 m/s
19
0
56
May
17°C
8°C
13°C
33%
66%
1.7 m/s
41
1
75
June
21°C
11°C
19°C
26%
56%
1.9 m/s
80
10
73
July
24°C
14°C
21°C
19%
52%
2.3 m/s
81
25
62
August
24°C
12°C
22°C
21%
44%
2.2 m/s
80
31
60
September
20°C
9°C
17°C
20%
55%
2.0 m/s
63
13
76
October
14°C
4°C
11°C
37%
58%
1.6 m/s
31
1
65
November
8°C
-1°C
4°C
23%
57%
1.6 m/s
4
0
36
December
4°C
-4°C
-0°C
32%
60%
1.7 m/s
0
0
12
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 Sisian weather by season
Year round, Sisian has days of about 1°C at their warmest in January, its coolest month, and 24°C in August, its warmest; the coolest hours of the day run from -7°C to 14°C through the year, and the average temperature over the year is 9°C around the clock. Rain is most likely around April and least likely around February. 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.
Sisian weather in winterDecember to February
High 3°CLow -6°CRain 25%
Winter in Sisian has typical daily highs of about 3°C and lows of about -6°C, with a 25% chance of rain on a given day.
Sisian weather in springMarch to May
High 12°CLow 3°CRain 36%
Spring in Sisian has typical daily highs of about 12°C and lows of about 3°C, with a 36% chance of rain on a given day.
Sisian weather in summerJune to August
High 23°CLow 13°CRain 22%
Summer in Sisian has typical daily highs of about 23°C and lows of about 13°C, with a 22% chance of rain on a given day.
Sisian weather in autumnSeptember to November
High 14°CLow 4°CRain 27%
Autumn in Sisian has typical daily highs of about 14°C and lows of about 4°C, with a 27% chance of rain on a given day.
When is the rainy season in Sisian?
The rainy (wet) season in Sisian runs from March to May, peaking in April with a 38% chance of rain on a given day. The dry season is January to February; February is the driest month, at 16%.
What time of year is Sisian windiest?
Winds in Sisian are highest in July, averaging 2.3 m/s (8 km/h), and lightest in October, at 1.6 m/s (6 km/h). The prevailing wind is from the E.
What is the average temperature in Sisian year round?
The average temperature in Sisian over the whole year is 9°C. August is the hottest month, with highs of about 24°C; January is the coldest, with lows of about -7°C.