Annual mean 17°C · wettest around November · prevailing wind SW
Warmest
31.8 °C
Coldest
9.8 °C
Wettest
18%
Windiest
3.6 m/s
Prevailing
SW
2.8 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 Formello over the whole year is 17°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 5°C. The rainy (wet) season in Formello runs from October to March, peaking in November with a 19% chance of rain on a given day. The dry season is April to September; July is the driest month, at 3%. Winds in Formello are highest in February, averaging 3.1 m/s (11 km/h), and lightest in June, at 2.1 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Formello come in July, when the sky is typically 29% covered; November is the cloudiest month, at 50%.
Month by month Formello 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
5°C
7°C
12%
48%
2.7 m/s
4
0
53
February
13°C
6°C
9°C
13%
49%
3.1 m/s
11
0
70
March
15°C
8°C
12°C
12%
49%
2.8 m/s
28
0
77
April
18°C
10°C
16°C
10%
45%
2.7 m/s
59
4
81
May
22°C
15°C
21°C
10%
45%
2.5 m/s
81
20
64
June
28°C
20°C
27°C
7%
35%
2.1 m/s
47
64
17
July
31°C
22°C
31°C
3%
29%
2.3 m/s
19
63
5
August
31°C
22°C
31°C
4%
31%
2.3 m/s
18
64
5
September
26°C
17°C
25°C
9%
38%
2.5 m/s
62
58
28
October
21°C
14°C
20°C
11%
39%
2.4 m/s
82
17
65
November
15°C
10°C
13°C
19%
50%
2.7 m/s
45
0
80
December
12°C
6°C
9°C
17%
50%
2.7 m/s
8
0
64
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 Formello weather by season
Year round, Formello has days of about 11°C at their warmest in January, its coolest month, and 31°C in July, its warmest; the coolest hours of the day run from 5°C to 22°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around November 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.
Formello weather in winterDecember to February
High 12°CLow 6°CRain 14%
Winter in Formello has typical daily highs of about 12°C and lows of about 6°C, with a 14% chance of rain on a given day.
Formello weather in springMarch to May
High 18°CLow 11°CRain 11%
Spring in Formello has typical daily highs of about 18°C and lows of about 11°C, with a 11% chance of rain on a given day.
Formello weather in summerJune to August
High 30°CLow 21°CRain 5%
Summer in Formello has typical daily highs of about 30°C and lows of about 21°C, with a 5% chance of rain on a given day.
Formello weather in autumnSeptember to November
High 21°CLow 14°CRain 13%
Autumn in Formello has typical daily highs of about 21°C and lows of about 14°C, with a 13% chance of rain on a given day.
When is the rainy season in Formello?
The rainy (wet) season in Formello runs from October to March, peaking in November with a 19% chance of rain on a given day. The dry season is April to September; July is the driest month, at 3%.
What time of year is Formello windiest?
Winds in Formello are highest in February, averaging 3.1 m/s (11 km/h), and lightest in June, at 2.1 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Formello year round?
The average temperature in Formello over the whole year is 17°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 5°C.