Annual mean 25°C · wettest around June · prevailing wind SE
Warmest
34.2 °C
Coldest
12.9 °C
Wettest
100%
Windiest
3.1 m/s
Prevailing
SE
1.7 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 Sītāmarhi over the whole year is 25°C. June is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 11°C. The rainy (wet) season in Sītāmarhi runs from April to October, peaking in June with a 62% chance of rain on a given day. The dry season is November to January; November is the driest month, at 5%. Winds in Sītāmarhi are highest in May, averaging 1.7 m/s (6 km/h), and lightest in November, at 0.6 m/s (2 km/h). The prevailing wind is from the SE. The clearest skies in Sītāmarhi come in November, when the sky is typically 17% covered; July is the cloudiest month, at 72%.
Month by month Sītāmarhi 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
17°C
11°C
15°C
19%
44%
0.8 m/s
50
2
81
February
22°C
15°C
22°C
42%
31%
0.8 m/s
77
21
56
March
28°C
21°C
27°C
31%
24%
1.3 m/s
38
58
21
April
33°C
26°C
32°C
35%
28%
1.5 m/s
14
37
8
May
32°C
26°C
34°C
49%
43%
1.7 m/s
15
28
6
June
33°C
29°C
36°C
62%
59%
1.5 m/s
5
14
1
July
31°C
28°C
36°C
60%
72%
1.5 m/s
7
14
2
August
31°C
26°C
36°C
62%
66%
1.3 m/s
9
17
2
September
29°C
27°C
31°C
61%
67%
1.3 m/s
35
19
23
October
28°C
22°C
32°C
40%
42%
0.7 m/s
18
47
8
November
25°C
17°C
26°C
5%
17%
0.6 m/s
47
52
29
December
20°C
15°C
20°C
30%
23%
0.8 m/s
70
27
58
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 Sītāmarhi weather by season
Year round, Sītāmarhi has days of about 17°C at their warmest in January, its coolest month, and 33°C in June, its warmest; the coolest hours of the day run from 11°C to 29°C through the year, and the average temperature over the year is 25°C around the clock. Rain is most likely around June and least likely around November. 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.
Sītāmarhi weather in winterDecember to February
High 20°CLow 14°CRain 30%
Winter in Sītāmarhi has typical daily highs of about 20°C and lows of about 14°C, with a 30% chance of rain on a given day.
Sītāmarhi weather in springMarch to May
High 31°CLow 24°CRain 39%
Spring in Sītāmarhi has typical daily highs of about 31°C and lows of about 24°C, with a 39% chance of rain on a given day.
Sītāmarhi weather in summerJune to August
High 32°CLow 28°CRain 61%
Summer in Sītāmarhi has typical daily highs of about 32°C and lows of about 28°C, with a 61% chance of rain on a given day.
Sītāmarhi weather in autumnSeptember to November
High 28°CLow 22°CRain 35%
Autumn in Sītāmarhi has typical daily highs of about 28°C and lows of about 22°C, with a 35% chance of rain on a given day.
When is the rainy season in Sītāmarhi?
The rainy (wet) season in Sītāmarhi runs from April to October, peaking in June with a 62% chance of rain on a given day. The dry season is November to January; November is the driest month, at 5%.
What time of year is Sītāmarhi windiest?
Winds in Sītāmarhi are highest in May, averaging 1.7 m/s (6 km/h), and lightest in November, at 0.6 m/s (2 km/h). The prevailing wind is from the SE.
What is the average temperature in Sītāmarhi year round?
The average temperature in Sītāmarhi over the whole year is 25°C. June is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 11°C.