May weather forecastTocumen, Panama
May
Weather in May
The peak of the wet season arrives in Tocumen in May. Despite high relative humidity and rainfall, temperatures tend to be slightly cooler than earlier months. The outdoor atmosphere shifts from hot dry air to a more moisture-laden feel. In May, a dramatic rise in rainfall is noted, recording a whopping 257mm (10.12"). Although rainfall is high, the adventurous spirit can still witness the authentic life of Tocumen under the tropical precipitation.Temperature
Tocumen registers an average high-temperature of a moderately hot 29.5°C (85.1°F) with the arrival of May, showing minor deviation from the preceding month. A consistent average low-temperature of 25°C (77°F), with a minor variance from the daytime highs, is noted in Tocumen, Panama, during the nights of May.Heat index
During May, the heat index is appraised at a fiery hot 37°C (98.6°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
In Tocumen, Panama, the average relative humidity in May is 85%.Rainfall
In Tocumen, in May, during 29.7 rainfall days, 257mm (10.12") of precipitation is typically accumulated. In Tocumen, during the entire year, the rain falls for 309.6 days and collects up to 2035mm (80.12") of precipitation.Daylight
In Tocumen, the average length of the day in May is 12h and 32min.On the first day of the month, sunrise is at 06:00 and sunset at 18:28. On the last day of May, sunrise is at 05:56 and sunset at 18:33 EST.
Sunshine
The months with the most sunshine are May and June, with an average of 9h of sunshine.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Tocumen. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In May, the maximum UV index of 7 suggests these recommendations:
Enforce precautions and stick to sun safety measures. Preservation from 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. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Tocumen, Panama
- Average high temperature in May: 29.5°C
The warmest month (with the highest average high temperature) is April (30.5°C).
The months with the lowest average high temperature are October and November (28.6°C).
- Average low temperature in May: 25°C
The month with the highest average low temperature is June (25.1°C).
The coldest months (with the lowest average low temperature) are February and November (23.8°C).
Average pressure in May
Tocumen, Panama
- Average pressure in May: 1010.1mbar
The month with the highest atmospheric pressure is March (1011mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in May
Tocumen, Panama
- Average wind speed in May: 6.7km/h
The windiest months (with the highest average wind speed) are February and March (11.9km/h).
The calmest months (with the lowest average wind speed) are June and September (5.9km/h).
Average humidity in May
Tocumen, Panama
- Average humidity in May: 85%
The months with the highest relative humidity are July, August and November (87%).
The month with the lowest relative humidity is March (78%).
Average rainfall in May
Tocumen, Panama
- Average rainfall in May: 257mm
The wettest month (with the highest rainfall) is July (294mm).
The driest month (with the least rainfall) is February (17mm).
Average rainfall days in May
Tocumen, Panama
- Average rainfall days in May: 29.7 days
The month with the highest number of rainy days is July (30.1 days).
The month with the least rainy days is February (15.2 days).
Average daylight in May /
Average sunshine in May
Tocumen, Panama
- Average daylight in May: 12h and 30min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in May: 9h and 0min
The months with the most sunshine are May and June (Average sunshine: 9h and 0min).
The month with the least sunshine is November (Average sunshine: 5h and 48min).
Average sunshine days in May
Tocumen, Panama
- Average sunshine days in May: 0.5 days
The month with the most sunshine days is March (5.2 days).
The month with the least sunshine days is November (0.2 days).
Average UV index in May
Tocumen, Panama
- Average UV index in May: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in May
Tocumen, Panama
- Average cloud cover in May: 48
The months with the most cloud cover are July and November (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 41).
Average visibility in May
Tocumen, Panama
- Average visibility in May: 9km
The months with the highest visibility are January, February, March and April (10km).
The months with the lowest visibility are May, June, July, August, September, October, November and December (9km).








