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Contents
- The best time to visit Guaymas
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The best time to visit Guaymas
The best months for a swim in Guaymas, Mexico, are June and October, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.
Weather in January
January, like December, is an agreeable winter month in Guaymas, Mexico, with an average temperature ranging between min 15.1°C (59.2°F) and max 22.3°C (72.1°F). The coldest period tends to be January, when average temperatures fluctuate between a high of 22.3°C (72.1°F) and a low of 15.1°C (59.2°F). Weather in January »
Weather in February
February, the last month of the winter in Guaymas, is also an agreeable month, with an average temperature ranging between min 15.5°C (59.9°F) and max 22.8°C (73°F). With the advent of February, Guaymas experiences an average high-temperature of a still pleasant 22.8°C (73°F), mirroring a close resemblance to the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a moderately hot month in Guaymas, Mexico, with an average temperature fluctuating between 17.4°C (63.3°F) and 25°C (77°F). The initiation of March sees an average high-temperature of a warm 25°C (77°F), showing minor variations from the previous month. Weather in March »
Weather in April
April, the same as March, is another warm spring month in Guaymas, Mexico, with an average temperature varying between 26.4°C (79.5°F) and 19.5°C (67.1°F). The dawn of April sees an average high-temperature of a still moderately hot 26.4°C (79.5°F), subtly contrasting with March's 25°C (77°F). Weather in April »
Weather in May
The last month of the spring, May, is another warm month in Guaymas, Mexico, with an average temperature varying between 29°C (84.2°F) and 22.1°C (71.8°F). May brings an average high-temperature of a still moderately hot 29°C (84.2°F), showing a slight difference from April's 26.4°C (79.5°F). Weather in May »
Weather in June
The first month of the summer, June, is a hot month in Guaymas, Mexico, with temperature in the range of an average low of 26.5°C (79.7°F) and an average high of 32.3°C (90.1°F). An excellent water temperature of 27.8°C (82°F) and only 2.8 rainfall days, with 7mm (0.28") of accumulated rainfall, makes June a prime for swimming and other water activities. Weather in June »
Weather in July
July, the same as June, in Guaymas, Mexico, is another tropical summer month, with an average temperature varying between 33.1°C (91.6°F) and 28.9°C (84°F). With the advent of July, Guaymas's high-temperatures adjust to a still hot 33.1°C (91.6°F), closely aligning with the preceding month. Weather in July »
Weather in August
August, the last month of the summer in Guaymas, is also a hot month, with an average temperature ranging between min 29.1°C (84.4°F) and max 33.9°C (93°F). Guaymas's warmest month, August, registers temperatures that range from a high of 33.9°C (93°F) to a low of 29.1°C (84.4°F). For most parts of August, the heat index is appraised at a scorching 43°C (109.4°F). Weather in August »
Weather in September
September, the first month of the autumn in Guaymas, is still a tropical month, with an average temperature varying between 33.1°C (91.6°F) and 27.8°C (82°F). The beginning of September records an average high-temperature of a still tropical 33.1°C (91.6°F), almost echoing the conditions of the previous month. Weather in September »
Weather in October
October, like September, is a hot autumn month in Guaymas, Mexico, with temperature in the range of an average low of 24.5°C (76.1°F) and an average high of 30.7°C (87.3°F). The perfect water temperature of 28.5°C (83.3°F) with 15mm (0.59") of accumulated rainfall and only 3.3 rainfall days, makes October a great period for swimming and other water activities. Weather in October »
Weather in November
The last month of the autumn, November, is also a moderately hot month in Guaymas, Mexico, with temperature in the range of an average low of 19.8°C (67.6°F) and an average high of 26.5°C (79.7°F). The transition into November is accompanied by a slight temperature decrease, with the average high-temperature shifting from a tropical 30.7°C (87.3°F) in October to a moderately hot 26.5°C (79.7°F). Weather in November »
Weather in December
The first month of the winter, December, is still a pleasant month in Guaymas, Mexico, with temperature in the range of an average low of 15.9°C (60.6°F) and an average high of 22.5°C (72.5°F). The start of December involves a subtle temperature drop, shifting from a warm 26.5°C (79.7°F) in November to an agreeable 22.5°C (72.5°F). Weather in December »
Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Guaymas?
In Guaymas, January records the average lowest temperatures, peaking at 22.3°C (72.1°F) and reaching a low of 15.1°C (59.2°F).
How many days does it rain in Guaymas?
Throughout the year, in Guaymas, there are 56 rainfall days, and 164mm (6.46") of precipitation is accumulated.
What is the month with the lowest UV index in Guaymas?
The months with the lowest UV index in Guaymas are January, February, November and December, with an average maximum UV index of 5.
What month is the sea coldest in Guaymas?
The month with the coldest seawater in Guaymas, Mexico, is February, with an average sea temperature of 17.2°C (63°F).
What is the least humid month in Guaymas?
May is the least humid month, with an average relative humidity of 43%.
What is the driest month in Guaymas?
May is the only month when rain does not fall.
When does it rain in Guaymas?
January through April, June through December are months with rainfall in Guaymas.
When are the longest days in Guaymas?
June has the longest days of the year, with an average of 13h and 54min of daylight.
What month has the most sunshine in Guaymas?
The month with the most sunshine in Guaymas is June, with an average of 12.2h of sunshine.
When is the highest UV index in Guaymas?
The months with the highest UV index in Guaymas, Mexico, are June through September, with an average maximum UV index of 8.
What time of the year is the hottest in Guaymas?
August, characterized by an average high temperature of 33.9°C (93°F) and a low temperature of 29.1°C (84.4°F), is generally the warmest month.
What is the most humid month in Guaymas?
The most humid month in Guaymas, Mexico, is August, with an average relative humidity of 62%.
When is the sea warmest in Guaymas?
August is the month with the warmest seawater, with an average sea temperature of 31°C (87.8°F).
What is the wettest month in Guaymas?
The month with the most rainfall in Guaymas, Mexico, is September, when the rain falls for 10.5 days and typically aggregates up to 46mm (1.81") of precipitation.
What is the month with the shortest days in Guaymas?
The month with the shortest days in Guaymas, Mexico, is December, with an average of 10h and 24min of daylight.
Is there Daylight Saving Time (DST) in Guaymas?
Guaymas does not utilize Daylight Saving Time (DST). MST timezone is used over the entire year.
What is the month with the least sunshine in Guaymas?
The month with the least sunshine in Guaymas, Mexico, is December, with an average of 6.9h of sunshine.
Average temperature
Guaymas, Mexico
The warmest month (with the highest average high temperature) is August (33.9°C).
The month with the lowest average high temperature is January (22.3°C).
The month with the highest average low temperature is August (29.1°C).
The coldest month (with the lowest average low temperature) is January (15.1°C).
Average pressure
Guaymas, Mexico
- Average pressure in January:
1016.3mbar - Average pressure in February:
1015.1mbar - Average pressure in March:
1013.9mbar - Average pressure in April:
1011.9mbar - Average pressure in May:
1010.4mbar - Average pressure in June:
1008.8mbar
- Average pressure in July:
1010.3mbar - Average pressure in August:
1009.7mbar - Average pressure in September:
1009.2mbar - Average pressure in October:
1010.8mbar - Average pressure in November:
1013.8mbar - Average pressure in December:
1015.6mbar
The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed
Guaymas, Mexico
- Average wind speed in January:
13.1km/h - Average wind speed in February:
13.4km/h - Average wind speed in March:
12.9km/h - Average wind speed in April:
13.2km/h - Average wind speed in May:
12.5km/h - Average wind speed in June:
14km/h
- Average wind speed in July:
14km/h - Average wind speed in August:
12.5km/h - Average wind speed in September:
12.3km/h - Average wind speed in October:
11.6km/h - Average wind speed in November:
12km/h - Average wind speed in December:
12.8km/h
The windiest months (with the highest average wind speed) are June and July (14km/h).
The calmest month (with the lowest average wind speed) is October (11.6km/h).
Average humidity
Guaymas, Mexico
The month with the highest relative humidity is August (62%).
The month with the lowest relative humidity is May (43%).
Average rainfall
Guaymas, Mexico
The wettest month (with the highest rainfall) is September (46mm).
The driest month (with the least rainfall) is May (0mm).
Average rainfall days
Guaymas, Mexico
- Average rainfall days in January:
1.3 days - Average rainfall days in February:
1.7 days - Average rainfall days in March:
1.9 days - Average rainfall days in April:
0.6 days - Average rainfall days in May:
0.6 days - Average rainfall days in June:
2.8 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
14.1 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
3.3 days - Average rainfall days in November:
2.2 days - Average rainfall days in December:
2.2 days
The month with the highest number of rainy days is July (14.8 days).
The months with the least rainy days are April and May (0.6 days).
Average sea temperature
Guaymas, Mexico
The best month for swimming (with the highest average sea temperature) is August (31°C).
The coldest month (with the lowest average sea temperature) is February (17.2°C).
Average daylight / Average sunshine
Guaymas, Mexico
- Average daylight in January:
10h and 4min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 3min - Average daylight in June:
13h and 5min
- Average daylight in July:
13h and 4min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 3min - Average daylight in November:
10h and 5min - Average daylight in December:
10h and 2min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in January:
7h and 4min - Average sunshine in February:
9h and 2min - Average sunshine in March:
9h and 2min - Average sunshine in April:
10h and 5min - Average sunshine in May:
12h and 1min - Average sunshine in June:
12h and 1min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 4min - Average sunshine in September:
9h and 3min - Average sunshine in October:
7h and 5min - Average sunshine in November:
7h and 1min - Average sunshine in December:
6h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days
Guaymas, Mexico
- Average sunshine days in January:
29.4 days - Average sunshine days in February:
26.4 days - Average sunshine days in March:
28.8 days - Average sunshine days in April:
29.4 days - Average sunshine days in May:
30.4 days - Average sunshine days in June:
25.3 days
- Average sunshine days in July:
12.1 days - Average sunshine days in August:
13.2 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
26.1 days - Average sunshine days in November:
27.6 days - Average sunshine days in December:
28.7 days
The month with the most sunshine days is May (30.4 days).
The month with the least sunshine days is July (12.1 days).
Average UV index
Guaymas, Mexico
The months with the highest UV index are June, July, August and September (UV index 8).
The months with the lowest UV index are January, February, November and December (UV index 5).
Average cloud cover
Guaymas, Mexico
The month with the most cloud cover is July (Cloud cover 20).
The month with the least cloud cover is May (Cloud cover 5).
Average visibility
Guaymas, Mexico
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
