Annual mean 18°C · wettest around February · prevailing wind S
Warmest
31.9 °C
Coldest
8.9 °C
Wettest
24%
Windiest
4.5 m/s
Prevailing
S
3.5 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 Monticello over the whole year is 18°C. July is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 4°C. Monticello has no sharply defined rainy season: the chance of rain on a given day runs from 16% in September, the driest month, to 23% in February, the wettest. Winds in Monticello are highest in February, averaging 3.1 m/s (11 km/h), and lightest in August, at 1.7 m/s (6 km/h). The prevailing wind is from the S. The clearest skies in Monticello come in July, when the sky is typically 24% covered; February is the cloudiest month, at 53%.
Month by month Monticello 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
9°C
4°C
5°C
21%
47%
2.8 m/s
12
0
43
February
13°C
7°C
9°C
23%
53%
3.1 m/s
29
1
54
March
18°C
10°C
14°C
22%
42%
3.1 m/s
51
5
73
April
21°C
13°C
19°C
21%
39%
3.0 m/s
68
19
64
May
26°C
18°C
26°C
21%
35%
2.5 m/s
54
55
28
June
30°C
23°C
32°C
20%
26%
2.1 m/s
13
54
3
July
32°C
24°C
35°C
18%
24%
1.9 m/s
4
28
1
August
31°C
23°C
34°C
19%
25%
1.7 m/s
6
37
1
September
29°C
20°C
30°C
16%
28%
1.7 m/s
27
49
11
October
24°C
14°C
22°C
17%
28%
2.0 m/s
58
40
45
November
17°C
8°C
14°C
19%
36%
2.2 m/s
46
6
71
December
12°C
6°C
9°C
23%
47%
2.6 m/s
22
1
56
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 Monticello weather by season
Year round, Monticello has days of about 9°C at their warmest in January, its coolest month, and 32°C in July, its warmest; the coolest hours of the day run from 4°C to 24°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around February and least likely around September. 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.
Monticello weather in winterDecember to February
High 11°CLow 6°CRain 22%
Winter in Monticello has typical daily highs of about 11°C and lows of about 6°C, with a 22% chance of rain on a given day.
Monticello weather in springMarch to May
High 22°CLow 14°CRain 21%
Spring in Monticello has typical daily highs of about 22°C and lows of about 14°C, with a 21% chance of rain on a given day.
Monticello weather in summerJune to August
High 31°CLow 23°CRain 19%
Summer in Monticello has typical daily highs of about 31°C and lows of about 23°C, with a 19% chance of rain on a given day.
Monticello weather in autumnSeptember to November
High 23°CLow 14°CRain 17%
Autumn in Monticello has typical daily highs of about 23°C and lows of about 14°C, with a 17% chance of rain on a given day.
When is the rainy season in Monticello?
Monticello has no sharply defined rainy season: the chance of rain on a given day runs from 16% in September, the driest month, to 23% in February, the wettest.
What time of year is Monticello windiest?
Winds in Monticello are highest in February, averaging 3.1 m/s (11 km/h), and lightest in August, at 1.7 m/s (6 km/h). The prevailing wind is from the S.
What is the average temperature in Monticello year round?
The average temperature in Monticello over the whole year is 18°C. July is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 4°C.