Annual mean 15°C · wettest around August · prevailing wind SW
Warmest
33.0 °C
Coldest
8.2 °C
Wettest
39%
Windiest
6.9 m/s
Prevailing
SW
5.5 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 Portales over the whole year is 15°C. July is the hottest month, with highs of about 32°C; January is the coldest, with lows of about -2°C. The rainy (wet) season in Portales runs from April to October, peaking in August with a 31% chance of rain on a given day. The dry season is November to March; December is the driest month, at 14%. Winds in Portales are highest in April, averaging 5.2 m/s (19 km/h), and lightest in August, at 3.6 m/s (13 km/h). The prevailing wind is from the SW. The clearest skies in Portales come in December, when the sky is typically 15% covered; August is the cloudiest month, at 21%.
Month by month Portales 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
-2°C
1°C
21%
19%
4.4 m/s
1
0
21
February
11°C
-1°C
4°C
20%
17%
4.8 m/s
7
0
36
March
16°C
4°C
9°C
19%
18%
4.9 m/s
20
0
60
April
20°C
8°C
13°C
24%
18%
5.2 m/s
45
2
68
May
25°C
14°C
20°C
25%
21%
4.9 m/s
70
23
57
June
30°C
19°C
27°C
28%
19%
4.6 m/s
47
65
18
July
32°C
21°C
30°C
28%
18%
3.9 m/s
22
78
3
August
31°C
19°C
29°C
31%
21%
3.6 m/s
33
74
8
September
27°C
15°C
24°C
29%
19%
3.7 m/s
67
55
29
October
21°C
9°C
16°C
26%
18%
4.1 m/s
57
10
63
November
15°C
3°C
8°C
21%
18%
4.5 m/s
18
0
53
December
11°C
-0°C
4°C
14%
15%
4.4 m/s
2
0
34
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 Portales weather by season
Year round, Portales 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 -2°C to 21°C through the year, and the average temperature over the year is 15°C around the clock. Rain is most likely around August and least likely around December. 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.
Portales weather in winterDecember to February
High 10°CLow -1°CRain 18%
Winter in Portales has typical daily highs of about 10°C and lows of about -1°C, with a 18% chance of rain on a given day.
Portales weather in springMarch to May
High 21°CLow 8°CRain 23%
Spring in Portales has typical daily highs of about 21°C and lows of about 8°C, with a 23% chance of rain on a given day.
Portales weather in summerJune to August
High 31°CLow 20°CRain 29%
Summer in Portales has typical daily highs of about 31°C and lows of about 20°C, with a 29% chance of rain on a given day.
Portales weather in autumnSeptember to November
High 21°CLow 9°CRain 25%
Autumn in Portales has typical daily highs of about 21°C and lows of about 9°C, with a 25% chance of rain on a given day.
When is the rainy season in Portales?
The rainy (wet) season in Portales runs from April to October, peaking in August with a 31% chance of rain on a given day. The dry season is November to March; December is the driest month, at 14%.
What time of year is Portales windiest?
Winds in Portales are highest in April, averaging 5.2 m/s (19 km/h), and lightest in August, at 3.6 m/s (13 km/h). The prevailing wind is from the SW.
What is the average temperature in Portales year round?
The average temperature in Portales over the whole year is 15°C. July is the hottest month, with highs of about 32°C; January is the coldest, with lows of about -2°C.