May weather forecastTomatlán, Mexico

May

Weather in May

May, the last month of the spring in Tomatlán, is another tropical month, with an average temperature fluctuating between 32.4°C (90.3°F) and 21.2°C (70.2°F).

Temperature

In Tomatlán, May and July are characterised by the peak of temperatures, recording an average high of 32.4°C (90.3°F).

Heat index

May's heat index is appraised at a sweltering 39°C (102.2°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

In May, the average relative humidity in Tomatlán, Mexico, is 62%.

Rainfall

January through March, May through December are months with rainfall. May is the first month it rains. Throughout May, in the average 2.8 rainfall days, it receives 6mm (0.24") of precipitation. In Tomatlán, during the entire year, the rain falls for 112.5 days and collects up to 565mm (22.24") of precipitation.

Daylight

In Tomatlán, Mexico, the average length of the day in May is 13h and 5min.
On the first day of May, sunrise is at 6:31 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:36 pm CST.

Sunshine

The months with the most sunshine are January, March through May, with an average of 9.8h of sunshine.

UV index

April through October, with an average maximum UV index of 7, are months with the highest UV index in Tomatlán. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 7 during May translates into the following directions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

The peak of Tomatlán's temperatures is noted during May and July, averaging a high-temperature of 32.4°C (90.3°F).

The average high-temperature and low-temperature in Tomatlán during May are 32.4°C (90.3°F) and 21.2°C (70.2°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in May is appraised at 39°C (102.2°F).

In May, the average relative humidity in Tomatlán is 62%.

May is the first month it rains in Tomatlán. Throughout May, in the average 2.8 rainfall days, it receives 6mm (0.24") of precipitation.

In Tomatlán, Mexico, the average day length in May is 13h and 5min.

In May, on the first day of the month, sunrise is at 6:31 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:36 pm CST.

January, March through May, with an average of 9.8h of sunshine, are months with the most sunshine.

The average sunshine duration in May in Tomatlán is 9.8h.

April through October, with an average maximum UV index of 7, are months with the highest UV index in Tomatlán.

In May, the average daily maximum UV index in Tomatlán is 7. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Tomatlán, Mexico

  • Average high temperature in May: 32.4°C

The warmest months (with the highest average high temperature) are May and July (32.4°C).
The months with the lowest average high temperature are January and December (29.3°C).

  • Average low temperature in May: 21.2°C

The month with the highest average low temperature is July (23.5°C).
The coldest month (with the lowest average low temperature) is February (18.3°C).

Average pressure in May
Tomatlán, Mexico

  • Average pressure in May: 1011.4mbar

The month with the highest atmospheric pressure is January (1014.2mbar).
The month with the lowest atmospheric pressure is September (1010.6mbar).

Average wind speed in May
Tomatlán, Mexico

  • Average wind speed in May: 7.4km/h

The windiest month (with the highest average wind speed) is April (7.6km/h).
The calmest month (with the lowest average wind speed) is July (6.4km/h).

Average humidity in May
Tomatlán, Mexico

  • Average humidity in May: 62%

The month with the highest relative humidity is September (80%).
The months with the lowest relative humidity are March and April (57%).

Average rainfall in May
Tomatlán, Mexico

  • Average rainfall in May: 6mm

The wettest month (with the highest rainfall) is September (186mm).
The driest month (with the least rainfall) is April (0mm).

Average rainfall days in May
Tomatlán, Mexico

  • Average rainfall days in May: 2.8 days

The month with the highest number of rainy days is August (22.8 days).
The month with the least rainy days is March (1.2 days).

Average daylight in May /
Average sunshine in May
Tomatlán, Mexico

  • Average daylight in May: 13h and 6min

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 May: 9h and 48min

The months with the most sunshine are January, March, April and May (Average sunshine: 9h and 48min).
The month with the least sunshine is September (Average sunshine: 8h and 54min).

Average sunshine days in May
Tomatlán, Mexico

  • Average sunshine days in May: 26.4 days

The month with the most sunshine days is March (30.2 days).
The month with the least sunshine days is September (6 days).

Average UV index in May
Tomatlán, Mexico

  • Average UV index in May: 7

The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 6).

Average cloud cover in May
Tomatlán, Mexico

  • Average cloud cover in May: 9

The months with the most cloud cover are August and September (Cloud cover 33).
The month with the least cloud cover is March (Cloud cover 8).

Average visibility in May
Tomatlán, Mexico

  • Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August, September and October (9km).