Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
Issano, Guyana, experiences a recorded average high-temperature of a still moderately hot 27.8°C (82°F) in May, closely aligned with April's 28.8°C (83.8°F). In May, the recorded average low-temperature is a comfortable 18.9°C (66°F).Heat index
For May, the heat index is estimated at a tropical 33°C (91.4°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
In Issano, the average relative humidity in May is 88%.Rainfall
In May, the rain falls for 28 days. Throughout May, 140mm (5.51") of precipitation is accumulated. In Issano, during the entire year, the rain falls for 310.6 days and collects up to 1432mm (56.38") of precipitation.Daylight
The average length of the day in May in Issano is 12h and 23min.On the first day of the month, sunrise is at 05:44 and sunset at 18:04. On the last day of May, sunrise is at 05:42 and sunset at 18:08 -04.
Sunshine
In Issano, the average sunshine in May is 6.3h.UV index
March through November, with an average maximum UV index of 6, are months with the highest UV index in Issano, Guyana. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In May, the maximum UV index of 6 suggests these recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Issano in May?
What is the average humidity in May in Issano?
How much does it rain in Issano in May?
What is the average length of the day in May in Issano?
When is the sunrise / sunset in May in Issano?
How long on average sun shines in May in Issano?
What are the months with the highest UV index in Issano?
What is the UV index reading in May in Issano?
Average temperature in May
Issano, Guyana
- Average high temperature in May: 27.8°C
The warmest month (with the highest average high temperature) is October (29.7°C).
The months with the lowest average high temperature are February, June and December (27.3°C).
- Average low temperature in May: 18.9°C
The month with the highest average low temperature is May (18.9°C).
The coldest month (with the lowest average low temperature) is January (17.8°C).
Average pressure in May
Issano, Guyana
- Average pressure in May: 1013.6mbar
The month with the highest atmospheric pressure is June (1014.4mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in May
Issano, Guyana
- Average wind speed in May: 4.7km/h
The windiest month (with the highest average wind speed) is March (5.2km/h).
The calmest months (with the lowest average wind speed) are July, August, November and December (4km/h).
Average humidity in May
Issano, Guyana
- Average humidity in May: 88%
The months with the highest relative humidity are June and July (89%).
The months with the lowest relative humidity are March, April, September and October (83%).
Average rainfall in May
Issano, Guyana
- Average rainfall in May: 140mm
The wettest month (with the highest rainfall) is July (237mm).
The driest month (with the least rainfall) is March (38mm).
Average rainfall days in May
Issano, Guyana
- Average rainfall days in May: 28 days
The months with the highest number of rainy days are July and August (30.3 days).
The month with the least rainy days is March (21.8 days).
Average daylight in May /
Average sunshine in May
Issano, Guyana
- Average daylight in May: 12h and 2min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in May: 6h and 2min
The month with the most sunshine is September (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in May
Issano, Guyana
- Average sunshine days in May: 2.2 days
The month with the most sunshine days is March (6.6 days).
The month with the least sunshine days is July (0.3 days).
Average UV index in May
Issano, Guyana
- Average UV index in May: 6
The months with the highest UV index are March, April, May, June, July, August, September, October and November (UV index 6).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in May
Issano, Guyana
- Average cloud cover in May: 75
The month with the most cloud cover is February (Cloud cover 76).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in May
Issano, Guyana
- Average visibility in May: 6km
The months with the highest visibility are March, August, September and October (7km).
The months with the lowest visibility are January, February, April, May, June, July, November and December (6km).
