Annual mean 25°C · wettest around September · prevailing wind NE
Warmest
30.2 °C
Coldest
26.2 °C
Wettest
79%
Windiest
5.0 m/s
Prevailing
NE
3.6 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 San Dionisio over the whole year is 25°C. April is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 20°C. The rainy (wet) season in San Dionisio runs from April to November, peaking in September with a 63% chance of rain on a given day. The dry season is December to March; February is the driest month, at 13%. Winds in San Dionisio are highest in January, averaging 3.7 m/s (13 km/h), and lightest in September, at 1.6 m/s (6 km/h). The prevailing wind is from the NE. The clearest skies in San Dionisio come in March, when the sky is typically 45% covered; June is the cloudiest month, at 66%.
Month by month San Dionisio 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
27°C
20°C
26°C
24%
49%
3.7 m/s
50
45
31
February
27°C
20°C
27°C
13%
46%
3.6 m/s
49
47
26
March
29°C
21°C
28°C
22%
45%
3.3 m/s
42
50
18
April
30°C
22°C
31°C
42%
50%
2.7 m/s
29
52
8
May
30°C
23°C
32°C
48%
59%
2.0 m/s
22
49
3
June
28°C
22°C
30°C
57%
66%
1.9 m/s
32
49
7
July
28°C
22°C
29°C
41%
63%
2.9 m/s
41
48
13
August
28°C
22°C
31°C
49%
62%
2.2 m/s
32
50
6
September
29°C
22°C
31°C
63%
61%
1.6 m/s
25
50
4
October
28°C
22°C
30°C
63%
63%
1.7 m/s
33
48
8
November
27°C
21°C
28°C
41%
62%
2.5 m/s
44
42
21
December
26°C
21°C
26°C
23%
53%
3.4 m/s
48
41
31
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 San Dionisio weather by season
Year round, San Dionisio has days of about 26°C at their warmest in December, its coolest month, and 30°C in April, its warmest; the coolest hours of the day run from 20°C to 23°C through the year, and the average temperature over the year is 25°C around the clock. Rain is most likely around September and least likely around February. 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.
San Dionisio weather in winterDecember to February
High 27°CLow 20°CRain 20%
Winter in San Dionisio has typical daily highs of about 27°C and lows of about 20°C, with a 20% chance of rain on a given day.
San Dionisio weather in springMarch to May
High 29°CLow 22°CRain 37%
Spring in San Dionisio has typical daily highs of about 29°C and lows of about 22°C, with a 37% chance of rain on a given day.
San Dionisio weather in summerJune to August
High 28°CLow 22°CRain 49%
Summer in San Dionisio has typical daily highs of about 28°C and lows of about 22°C, with a 49% chance of rain on a given day.
San Dionisio weather in autumnSeptember to November
High 28°CLow 21°CRain 55%
Autumn in San Dionisio has typical daily highs of about 28°C and lows of about 21°C, with a 55% chance of rain on a given day.
When is the rainy season in San Dionisio?
The rainy (wet) season in San Dionisio runs from April to November, peaking in September with a 63% chance of rain on a given day. The dry season is December to March; February is the driest month, at 13%.
What time of year is San Dionisio windiest?
Winds in San Dionisio are highest in January, averaging 3.7 m/s (13 km/h), and lightest in September, at 1.6 m/s (6 km/h). The prevailing wind is from the NE.
What is the average temperature in San Dionisio year round?
The average temperature in San Dionisio over the whole year is 25°C. April is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 20°C.