May weather forecastSan Pedro, Mexico
May
Weather in May
May, the last month of the spring in San Pedro, is another hot month, with an average temperature ranging between max 33.3°C (91.9°F) and min 20°C (68°F).Temperature
As San Pedro welcomes May, the average high-temperature records at a still tropical 33.3°C (91.9°F), marking an insignificant deviation from the prior month. A sharp reduction from the daytime highs is witnessed during May, with nighttime temperatures averaging a low of 20°C (68°F).Humidity
The average relative humidity in May in San Pedro is 28%.Rainfall
In San Pedro, in May, during 5.5 rainfall days, 9mm (0.35") of precipitation is typically accumulated. Throughout the year, there are 64.3 rainfall days, and 183mm (7.2") of precipitation is accumulated.Snowfall
In San Pedro, snow does not fall in January through November.Daylight
The average length of the day in May in San Pedro is 13h and 25min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:23 pm. On the last day of May, sunrise is at 6:00 am and sunset at 7:39 pm CST.
Sunshine
In San Pedro, the average sunshine in May is 9.8h.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In May, a daily maximum UV index of 7 leads to the following instructions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
San Pedro, Mexico
- Average high temperature in May: 33.3°C
The warmest month (with the highest average high temperature) is June (33.8°C).
The month with the lowest average high temperature is January (20.8°C).
- Average low temperature in May: 20°C
The month with the highest average low temperature is June (22.3°C).
The coldest month (with the lowest average low temperature) is January (8.4°C).
Average pressure in May
San Pedro, Mexico
- Average pressure in May: 1011.4mbar
The month with the highest atmospheric pressure is January (1018.3mbar).
The month with the lowest atmospheric pressure is May (1011.4mbar).
Average wind speed in May
San Pedro, Mexico
- Average wind speed in May: 9.8km/h
The windiest month (with the highest average wind speed) is June (11.3km/h).
The calmest month (with the lowest average wind speed) is November (7km/h).
Average humidity in May
San Pedro, Mexico
- Average humidity in May: 28%
The month with the highest relative humidity is September (51%).
The month with the lowest relative humidity is April (24%).
Average rainfall in May
San Pedro, Mexico
- Average rainfall in May: 9mm
The wettest month (with the highest rainfall) is July (44mm).
The driest month (with the least rainfall) is February (3mm).
Average rainfall days in May
San Pedro, Mexico
- Average rainfall days in May: 5.5 days
The month with the highest number of rainy days is September (12 days).
The month with the least rainy days is February (1.2 days).
Average snowfall in May
San Pedro, Mexico
- Average snowfall in May: 0mm
The month with the highest snowfall is December (3mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
San Pedro, Mexico
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
San Pedro, Mexico
- Average daylight in May: 13h and 24min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in May: 9h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is September (Average sunshine: 9h and 24min).
Average sunshine days in May
San Pedro, Mexico
- Average sunshine days in May: 22.5 days
The month with the most sunshine days is December (28.5 days).
The month with the least sunshine days is September (15.1 days).
Average UV index in May
San Pedro, Mexico
- Average UV index in May: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in May
San Pedro, Mexico
- Average cloud cover in May: 11
The month with the most cloud cover is September (Cloud cover 24).
The months with the least cloud cover are April and May (Cloud cover 11).
Average visibility in May
San Pedro, Mexico
- Average visibility in May: 10km
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).





