Annual mean 17°C · wettest around February · prevailing wind S
Warmest
30.8 °C
Coldest
10.6 °C
Wettest
34%
Windiest
3.6 m/s
Prevailing
S
3.0 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 Formia over the whole year is 17°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 6°C. The rainy (wet) season in Formia runs from November to March, peaking in February with a 31% chance of rain on a given day. The dry season is April to October; July is the driest month, at 9%. Winds in Formia are highest in January, averaging 2.7 m/s (10 km/h), and lightest in July, at 2.2 m/s (8 km/h). The prevailing wind is from the S. The clearest skies in Formia come in July, when the sky is typically 26% covered; November is the cloudiest month, at 56%.
Month by month Formia 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
11°C
6°C
8°C
24%
53%
2.7 m/s
7
0
62
February
13°C
7°C
10°C
31%
51%
2.6 m/s
12
0
73
March
14°C
7°C
11°C
21%
52%
2.7 m/s
25
0
79
April
18°C
10°C
16°C
16%
50%
2.6 m/s
62
4
82
May
22°C
14°C
20°C
19%
51%
2.4 m/s
83
19
67
June
27°C
19°C
27°C
11%
36%
2.3 m/s
52
65
19
July
30°C
21°C
31°C
9%
26%
2.2 m/s
17
68
3
August
30°C
21°C
31°C
12%
28%
2.3 m/s
15
66
3
September
26°C
17°C
26°C
19%
43%
2.2 m/s
56
62
25
October
21°C
14°C
21°C
18%
44%
2.2 m/s
85
20
64
November
16°C
11°C
14°C
29%
56%
2.3 m/s
51
0
80
December
12°C
7°C
9°C
26%
49%
2.5 m/s
12
0
69
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 Formia weather by season
Year round, Formia has days of about 11°C at their warmest in January, its coolest month, and 30°C in August, its warmest; the coolest hours of the day run from 6°C to 21°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around February 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.
Formia weather in winterDecember to February
High 12°CLow 7°CRain 27%
Winter in Formia has typical daily highs of about 12°C and lows of about 7°C, with a 27% chance of rain on a given day.
Formia weather in springMarch to May
High 18°CLow 10°CRain 19%
Spring in Formia has typical daily highs of about 18°C and lows of about 10°C, with a 19% chance of rain on a given day.
Formia weather in summerJune to August
High 29°CLow 20°CRain 11%
Summer in Formia has typical daily highs of about 29°C and lows of about 20°C, with a 11% chance of rain on a given day.
Formia weather in autumnSeptember to November
High 21°CLow 14°CRain 22%
Autumn in Formia has typical daily highs of about 21°C and lows of about 14°C, with a 22% chance of rain on a given day.
When is the rainy season in Formia?
The rainy (wet) season in Formia runs from November to March, peaking in February with a 31% chance of rain on a given day. The dry season is April to October; July is the driest month, at 9%.
What time of year is Formia windiest?
Winds in Formia are highest in January, averaging 2.7 m/s (10 km/h), and lightest in July, at 2.2 m/s (8 km/h). The prevailing wind is from the S.
What is the average temperature in Formia year round?
The average temperature in Formia over the whole year is 17°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 6°C.