Climate and monthly weather forecastSan Bernardino, Mexico
Climate and monthly weather forecast
Weather in January
January, the same as December, is another comfortable winter month in San Bernardino, Mexico, with an average temperature varying between 6.5°C (43.7°F) and 18.9°C (66°F). San Bernardino's coldest weather arrives in January, when temperatures average a high of 18.9°C (66°F) and a low of 6.5°C (43.7°F). Weather in January »Weather in February
February, the last month of the winter in San Bernardino, is a pleasant month, with an average temperature varying between 21.3°C (70.3°F) and 8.2°C (46.8°F). Entering February, San Bernardino's average high-temperature reads an agreeable 21.3°C (70.3°F), indicating a close resemblance to the previous month's climate. Weather in February »Weather in March
March, the first month of the spring in San Bernardino, is a moderately hot month, with an average temperature ranging between min 9.8°C (49.6°F) and max 23.5°C (74.3°F). San Bernardino marks the onset of March with an average high-temperature of a warm 23.5°C (74.3°F), a subtle shift from February's 21.3°C (70.3°F). Weather in March »Weather in April
April, the same as March, is a moderately hot spring month in San Bernardino, Mexico, with an average temperature fluctuating between 25°C (77°F) and 11.6°C (52.9°F). The average high-temperature in April, at a still moderately hot 25°C (77°F), reveals a modest deviation from March's 23.5°C (74.3°F). Weather in April »Weather in May
May, the last month of the spring in San Bernardino, is also a moderately hot month, with an average temperature varying between 25.3°C (77.5°F) and 12.8°C (55°F). The month of May sees the highest average temperatures, reaching 25.3°C (77.5°F) at the peak and 12.8°C (55°F) at the low. Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in San Bernardino, Mexico, with an average temperature ranging between min 11.8°C (53.2°F) and max 23.1°C (73.6°F). San Bernardino registers an average high-temperature of a still warm 23.1°C (73.6°F) with the arrival of June, showing minor deviation from the preceding month. Weather in June »Weather in July
July, like June, is another pleasant summer month in San Bernardino, Mexico, with an average temperature varying between 10.6°C (51.1°F) and 21.6°C (70.9°F). With July's advent, San Bernardino sees an average high-temperature of an agreeable 21.6°C (70.9°F), subtly shifted from June's 23.1°C (73.6°F). Weather in July »Weather in August
August, the last month of the summer in San Bernardino, is also an agreeable month, with an average temperature fluctuating between 10.4°C (50.7°F) and 21.7°C (71.1°F). San Bernardino's weather in August, with an average high-temperature of a still agreeable 21.7°C (71.1°F), subtly shifts from July's 21.6°C (70.9°F). Weather in August »Weather in September
September, the first month of the autumn in San Bernardino, is also an agreeable month, with an average temperature varying between 10.6°C (51.1°F) and 20.7°C (69.3°F). The arrival of September marks a slight shift to an average high-temperature of a still pleasant 20.7°C (69.3°F) from August's 21.7°C (71.1°F). Weather in September »Weather in October
October, the same as September, in San Bernardino, Mexico, is another pleasant autumn month, with an average temperature varying between 8.9°C (48°F) and 20.4°C (68.7°F). San Bernardino notes an average high-temperature of a still agreeable 20.4°C (68.7°F) in October, hardly diverging from September. Weather in October »Weather in November
November, the last month of the autumn in San Bernardino, is also an enjoyable month, with an average temperature ranging between min 8.1°C (46.6°F) and max 19.6°C (67.3°F). November's arrival registers an average high-temperature of a comfortable 19.6°C (67.3°F), closely aligning with the temperature of the previous month. Weather in November »Weather in December
December, the first month of the winter in San Bernardino, is still a comfortable month, with an average temperature varying between 7.4°C (45.3°F) and 19.5°C (67.1°F). December brings an average high-temperature of a still refreshing 19.5°C (67.1°F), nearly identical to the preceding month. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
San Bernardino, Mexico
The warmest month (with the highest average high temperature) is May (25.3°C).
The month with the lowest average high temperature is January (18.9°C).
The month with the highest average low temperature is May (12.8°C).
The coldest month (with the lowest average low temperature) is January (6.5°C).
Average pressure
San Bernardino, Mexico
- Average pressure in January:
1018.6mbar - Average pressure in February:
1016.7mbar - Average pressure in March:
1016mbar - Average pressure in April:
1014.4mbar - Average pressure in May:
1014.2mbar - Average pressure in June:
1014.9mbar
- Average pressure in July:
1016.9mbar - Average pressure in August:
1016.3mbar - Average pressure in September:
1015.7mbar - Average pressure in October:
1016.5mbar - Average pressure in November:
1018.1mbar - Average pressure in December:
1017.9mbar
The month with the highest atmospheric pressure is January (1018.6mbar).
The month with the lowest atmospheric pressure is May (1014.2mbar).
Average wind speed
San Bernardino, Mexico
- Average wind speed in January:
7.5km/h - Average wind speed in February:
8km/h - Average wind speed in March:
8km/h - Average wind speed in April:
8km/h - Average wind speed in May:
7.4km/h - Average wind speed in June:
6.9km/h
- Average wind speed in July:
6.1km/h - Average wind speed in August:
6.7km/h - Average wind speed in September:
6.8km/h - Average wind speed in October:
7.6km/h - Average wind speed in November:
7km/h - Average wind speed in December:
6.9km/h
The windiest months (with the highest average wind speed) are February, March and April (8km/h).
The calmest month (with the lowest average wind speed) is July (6.1km/h).
Average humidity
San Bernardino, Mexico
The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is April (42%).
Average rainfall
San Bernardino, Mexico
The wettest month (with the highest rainfall) is August (125mm).
The driest month (with the least rainfall) is December (4mm).
Average rainfall days
San Bernardino, Mexico
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
4.4 days - Average rainfall days in March:
7.9 days - Average rainfall days in April:
9.5 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
21.5 days
- Average rainfall days in July:
24.3 days - Average rainfall days in August:
24.4 days - Average rainfall days in September:
23.5 days - Average rainfall days in October:
16.1 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
3.7 days
The month with the highest number of rainy days is August (24.4 days).
The month with the least rainy days is December (3.7 days).
Average daylight / Average sunshine
San Bernardino, Mexico
- Average daylight in January:
11h and 6min - Average daylight in February:
11h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 36min - Average daylight in May:
13h and 6min - Average daylight in June:
13h and 18min
- Average daylight in July:
13h and 12min - Average daylight in August:
12h and 48min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 42min - Average daylight in November:
11h and 12min - Average daylight in December:
11h and 0min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in January:
9h and 42min - Average sunshine in February:
9h and 48min - Average sunshine in March:
9h and 42min - Average sunshine in April:
9h and 42min - Average sunshine in May:
10h and 42min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
8h and 54min - Average sunshine in August:
9h and 6min - Average sunshine in September:
9h and 6min - Average sunshine in October:
9h and 6min - Average sunshine in November:
7h and 42min - Average sunshine in December:
8h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).
Average sunshine days
San Bernardino, Mexico
- Average sunshine days in January:
23.8 days - Average sunshine days in February:
20.7 days - Average sunshine days in March:
17.5 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
10.1 days - Average sunshine days in June:
5.9 days
- Average sunshine days in July:
4.8 days - Average sunshine days in August:
4.1 days - Average sunshine days in September:
3.2 days - Average sunshine days in October:
9.6 days - Average sunshine days in November:
15.9 days - Average sunshine days in December:
26.1 days
The month with the most sunshine days is December (26.1 days).
The month with the least sunshine days is September (3.2 days).
Average UV index
San Bernardino, Mexico
The months with the highest UV index are February, March, April and May (UV index 5).
The months with the lowest UV index are January, June, July, August, September, October, November and December (UV index 4).
Average cloud cover
San Bernardino, Mexico
The month with the most cloud cover is July (Cloud cover 38).
The months with the least cloud cover are February and December (Cloud cover 11).
Average visibility
San Bernardino, Mexico
The months with the highest visibility are January, February, March, April, May and December (10km).
The months with the lowest visibility are July, August and September (8km).





