Annual mean 25°C · wettest around September · prevailing wind SW
Warmest
35.2 °C
Coldest
21.4 °C
Wettest
58%
Windiest
5.0 m/s
Prevailing
SW
4.1 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 Guaymas over the whole year is 25°C. August is the hottest month, with highs of about 35°C; January is the coldest, with lows of about 12°C. The rainy (wet) season in Guaymas runs from July to September, peaking in September with a 32% chance of rain on a given day. The dry season is March to June; May is the driest month, at 0%. Winds in Guaymas are highest in July, averaging 3.2 m/s (12 km/h), and lightest in January, at 2.2 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Guaymas come in May, when the sky is typically 17% covered; July is the cloudiest month, at 53%.
Month by month Guaymas 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
22°C
12°C
19°C
17%
27%
2.2 m/s
81
9
75
February
23°C
13°C
20°C
17%
39%
2.5 m/s
79
16
66
March
25°C
15°C
22°C
13%
34%
2.7 m/s
79
28
54
April
28°C
18°C
25°C
4%
19%
2.8 m/s
67
56
27
May
31°C
21°C
29°C
0%
17%
2.8 m/s
35
71
9
June
34°C
27°C
35°C
12%
25%
3.1 m/s
2
36
0
July
35°C
29°C
37°C
27%
53%
3.2 m/s
1
7
0
August
35°C
29°C
38°C
26%
50%
2.8 m/s
1
5
0
September
34°C
27°C
37°C
32%
36%
2.7 m/s
1
13
0
October
32°C
23°C
33°C
10%
23%
2.3 m/s
12
46
3
November
27°C
17°C
26°C
15%
38%
2.2 m/s
63
54
28
December
23°C
13°C
21°C
18%
34%
2.3 m/s
82
19
63
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 Guaymas weather by season
Year round, Guaymas has days of about 22°C at their warmest in January, its coolest month, and 35°C in August, its warmest; the coolest hours of the day run from 12°C to 29°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 May. 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.
Guaymas weather in winterDecember to February
High 23°CLow 13°CRain 17%
Winter in Guaymas has typical daily highs of about 23°C and lows of about 13°C, with a 17% chance of rain on a given day.
Guaymas weather in springMarch to May
High 28°CLow 18°CRain 6%
Spring in Guaymas has typical daily highs of about 28°C and lows of about 18°C, with a 6% chance of rain on a given day.
Guaymas weather in summerJune to August
High 35°CLow 28°CRain 21%
Summer in Guaymas has typical daily highs of about 35°C and lows of about 28°C, with a 21% chance of rain on a given day.
Guaymas weather in autumnSeptember to November
High 31°CLow 22°CRain 19%
Autumn in Guaymas has typical daily highs of about 31°C and lows of about 22°C, with a 19% chance of rain on a given day.
When is the rainy season in Guaymas?
The rainy (wet) season in Guaymas runs from July to September, peaking in September with a 32% chance of rain on a given day. The dry season is March to June; May is the driest month, at 0%.
What time of year is Guaymas windiest?
Winds in Guaymas are highest in July, averaging 3.2 m/s (12 km/h), and lightest in January, at 2.2 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Guaymas year round?
The average temperature in Guaymas over the whole year is 25°C. August is the hottest month, with highs of about 35°C; January is the coldest, with lows of about 12°C.