Annual mean 13°C · wettest around December · prevailing wind NW
Warmest
27.8 °C
Coldest
4.7 °C
Wettest
37%
Windiest
4.1 m/s
Prevailing
NW
3.1 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 Terni over the whole year is 13°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about 2°C. The rainy (wet) season in Terni runs from November to April, peaking in December with a 27% chance of rain on a given day. The dry season is May to October; July is the driest month, at 6%. Winds in Terni are highest in January, averaging 3.4 m/s (12 km/h), and lightest in June, at 2.7 m/s (10 km/h). The prevailing wind is from the NW. The clearest skies in Terni come in July, when the sky is typically 26% covered; December is the cloudiest month, at 54%.
Month by month Terni 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
6°C
2°C
1°C
20%
50%
3.4 m/s
1
0
24
February
9°C
3°C
3°C
18%
51%
3.2 m/s
2
0
37
March
10°C
4°C
5°C
17%
48%
3.0 m/s
9
0
50
April
14°C
6°C
10°C
17%
46%
2.8 m/s
35
0
65
May
18°C
11°C
15°C
13%
46%
2.8 m/s
60
9
63
June
24°C
16°C
23°C
8%
32%
2.7 m/s
49
45
37
July
28°C
19°C
26°C
6%
26%
2.8 m/s
38
51
29
August
27°C
18°C
26°C
6%
28%
2.7 m/s
37
51
29
September
21°C
14°C
20°C
11%
37%
2.8 m/s
62
33
51
October
17°C
11°C
15°C
13%
41%
2.7 m/s
55
4
70
November
11°C
7°C
7°C
25%
49%
2.9 m/s
15
0
57
December
7°C
4°C
3°C
27%
54%
3.0 m/s
2
0
33
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 Terni weather by season
Year round, Terni has days of about 6°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from 2°C to 19°C through the year, and the average temperature over the year is 13°C around the clock. Rain is most likely around December 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.
Terni weather in winterDecember to February
High 7°CLow 3°CRain 22%
Winter in Terni has typical daily highs of about 7°C and lows of about 3°C, with a 22% chance of rain on a given day.
Terni weather in springMarch to May
High 14°CLow 7°CRain 16%
Spring in Terni has typical daily highs of about 14°C and lows of about 7°C, with a 16% chance of rain on a given day.
Terni weather in summerJune to August
High 26°CLow 18°CRain 7%
Summer in Terni has typical daily highs of about 26°C and lows of about 18°C, with a 7% chance of rain on a given day.
Terni weather in autumnSeptember to November
High 16°CLow 11°CRain 16%
Autumn in Terni has typical daily highs of about 16°C and lows of about 11°C, with a 16% chance of rain on a given day.
When is the rainy season in Terni?
The rainy (wet) season in Terni runs from November to April, peaking in December with a 27% chance of rain on a given day. The dry season is May to October; July is the driest month, at 6%.
What time of year is Terni windiest?
Winds in Terni are highest in January, averaging 3.4 m/s (12 km/h), and lightest in June, at 2.7 m/s (10 km/h). The prevailing wind is from the NW.
What is the average temperature in Terni year round?
The average temperature in Terni over the whole year is 13°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about 2°C.