Annual mean 10°C · wettest around January · prevailing wind SW
Warmest
29.2 °C
Coldest
2.9 °C
Wettest
17%
Windiest
4.2 m/s
Prevailing
SW
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 Altamont over the whole year is 10°C. July is the hottest month, with highs of about 29°C; February is the coldest, with lows of about -2°C. Altamont has no sharply defined rainy season: the chance of rain on a given day runs from 3% in July, the driest month, to 15% in January, the wettest. Winds in Altamont are highest in March, averaging 3.3 m/s (12 km/h), and lightest in September, at 2.2 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Altamont come in July, when the sky is typically 9% covered; December is the cloudiest month, at 54%.
Month by month Altamont 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
4°C
-1°C
-0°C
15%
52%
2.7 m/s
0
0
10
February
5°C
-2°C
1°C
13%
47%
2.8 m/s
1
0
20
March
8°C
-0°C
3°C
14%
51%
3.3 m/s
4
0
32
April
13°C
2°C
9°C
12%
37%
3.1 m/s
21
0
60
May
18°C
7°C
14°C
11%
31%
3.0 m/s
50
6
75
June
23°C
11°C
20°C
6%
19%
3.0 m/s
69
28
61
July
29°C
14°C
26°C
3%
9%
2.7 m/s
65
63
29
August
27°C
12°C
25°C
6%
16%
2.4 m/s
73
56
36
September
22°C
7°C
19°C
7%
20%
2.2 m/s
70
22
68
October
16°C
3°C
12°C
10%
26%
2.2 m/s
39
3
72
November
8°C
-0°C
4°C
13%
44%
2.3 m/s
5
0
36
December
3°C
-2°C
-0°C
15%
54%
2.2 m/s
0
0
10
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 Altamont weather by season
Year round, Altamont has days of about 3°C at their warmest in December, its coolest month, and 29°C in July, its warmest; the coolest hours of the day run from -2°C to 14°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around January 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.
Altamont weather in winterDecember to February
High 4°CLow -2°CRain 14%
Winter in Altamont has typical daily highs of about 4°C and lows of about -2°C, with a 14% chance of rain on a given day.
Altamont weather in springMarch to May
High 13°CLow 3°CRain 12%
Spring in Altamont has typical daily highs of about 13°C and lows of about 3°C, with a 12% chance of rain on a given day.
Altamont weather in summerJune to August
High 27°CLow 12°CRain 5%
Summer in Altamont has typical daily highs of about 27°C and lows of about 12°C, with a 5% chance of rain on a given day.
Altamont weather in autumnSeptember to November
High 15°CLow 3°CRain 10%
Autumn in Altamont has typical daily highs of about 15°C and lows of about 3°C, with a 10% chance of rain on a given day.
When is the rainy season in Altamont?
Altamont has no sharply defined rainy season: the chance of rain on a given day runs from 3% in July, the driest month, to 15% in January, the wettest.
What time of year is Altamont windiest?
Winds in Altamont are highest in March, averaging 3.3 m/s (12 km/h), and lightest in September, at 2.2 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Altamont year round?
The average temperature in Altamont over the whole year is 10°C. July is the hottest month, with highs of about 29°C; February is the coldest, with lows of about -2°C.