May weather forecastSan Isidro, Philippines
May
Weather in May
May, the last month of the spring in San Isidro, is another hot month, with an average temperature ranging between max 33.3°C (91.9°F) and min 24.8°C (76.6°F).Temperature
San Isidro ushers in May with an average high-temperature of a still hot 33.3°C (91.9°F), showing a close resemblance to the previous month. San Isidro's temperature tends to fall to an average low of 24.8°C (76.6°F) during the nights of May.Heat index
The heat index for May is computed to be a burning hot 46°C (114.8°F). Watchful: Heat cramps and heat exhaustion are predicted. Continued exertion could lead to heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
The average relative humidity in May is 74%.Rainfall
In May, the rain falls for 25.2 days. Throughout May, 195mm (7.68") of precipitation is accumulated. In San Isidro, during the entire year, the rain falls for 252.9 days and collects up to 1795mm (70.67") of precipitation.Daylight
In San Isidro, the average length of the day in May is 12h and 50min.On the first day of the month, sunrise is at 5:32 am and sunset at 6:14 pm. On the last day of May, sunrise is at 5:24 am and sunset at 6:23 pm PST.
Sunshine
The average sunshine in May is 10.7h.UV index
The months with the highest UV index are February through June and August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: In May, the maximum UV index of 7 suggests this advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
San Isidro, Philippines
- Average high temperature in May: 33.3°C
The warmest month (with the highest average high temperature) is April (33.5°C).
The month with the lowest average high temperature is January (28.8°C).
- Average low temperature in May: 24.8°C
The month with the highest average low temperature is May (24.8°C).
The coldest month (with the lowest average low temperature) is January (20.6°C).
Average pressure in May
San Isidro, Philippines
- Average pressure in May: 1009.5mbar
The month with the highest atmospheric pressure is February (1013.5mbar).
The month with the lowest atmospheric pressure is August (1007.6mbar).
Average wind speed in May
San Isidro, Philippines
- Average wind speed in May: 5.4km/h
The windiest months (with the highest average wind speed) are January and December (7.7km/h).
The calmest month (with the lowest average wind speed) is May (5.4km/h).
Average humidity in May
San Isidro, Philippines
- Average humidity in May: 74%
The months with the highest relative humidity are August and September (86%).
The month with the lowest relative humidity is April (71%).
Average rainfall in May
San Isidro, Philippines
- Average rainfall in May: 195mm
The wettest month (with the highest rainfall) is July (306mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days in May
San Isidro, Philippines
- Average rainfall days in May: 25.2 days
The month with the highest number of rainy days is July (30.3 days).
The month with the least rainy days is February (9.7 days).
Average daylight in May /
Average sunshine in May
San Isidro, Philippines
- Average daylight in May: 12h and 48min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in May: 10h and 42min
The month with the most sunshine is April (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in May
San Isidro, Philippines
- Average sunshine days in May: 4.8 days
The month with the most sunshine days is March (17.3 days).
The month with the least sunshine days is July (0.5 days).
Average UV index in May
San Isidro, Philippines
- Average UV index in May: 7
The months with the highest UV index are February, March, April, May, June and August (UV index 7).
The months with the lowest UV index are January, July, September, October, November and December (UV index 6).
Average cloud cover in May
San Isidro, Philippines
- Average cloud cover in May: 35
The month with the most cloud cover is August (Cloud cover 57).
The month with the least cloud cover is March (Cloud cover 31).
Average visibility in May
San Isidro, Philippines
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May and June (9km).
The months with the lowest visibility are July, August, September, October, November and December (8km).
