June weather forecastIssano, Guyana
June
Weather in June
The first month of the summer, June, is also a moderately hot month in Issano, Guyana, with temperature in the range of an average high of 27.3°C (81.1°F) and an average low of 18.7°C (65.7°F).Temperature
The yearly lowest temperatures occur in February, June and December, averaging a high-temperature of 27.3°C (81.1°F).Heat index
The average heat index in June is estimated at a tropical 31°C (87.8°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. 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 'feels like' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to 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.
Humidity
The months with the highest humidity are June and July, with an average relative humidity of 89%.Rainfall
In Issano, in June, during 27.8 rainfall days, 170mm (6.69") of precipitation is typically accumulated. Throughout the year, there are 310.6 rainfall days, and 1432mm (56.38") of precipitation is accumulated.Daylight
With an average of 12h and 30min of daylight, June has the longest days of the year in Issano.On the first day of the month, sunrise is at 05:42 and sunset at 18:08. On the last day of June, sunrise is at 05:47 and sunset at 18:15 -04.
Sunshine
In Issano, the average sunshine in June is 6.4h.UV index
The months with the highest UV index in Issano are March through November, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: In June, the maximum UV index of 6 suggests this advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Issano, Guyana
- Average high temperature in June: 27.3°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 June: 18.7°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 June
Issano, Guyana
- Average pressure in June: 1014.4mbar
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 June
Issano, Guyana
- Average wind speed in June: 4.2km/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 June
Issano, Guyana
- Average humidity in June: 89%
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 June
Issano, Guyana
- Average rainfall in June: 170mm
The wettest month (with the highest rainfall) is July (237mm).
The driest month (with the least rainfall) is March (38mm).
Average rainfall days in June
Issano, Guyana
- Average rainfall days in June: 27.8 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 June /
Average sunshine in June
Issano, Guyana
- Average daylight in June: 12h and 30min
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 June: 6h and 24min
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 June
Issano, Guyana
- Average sunshine days in June: 1.4 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 June
Issano, Guyana
- Average UV index in June: 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 June
Issano, Guyana
- Average cloud cover in June: 74
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 June
Issano, Guyana
- Average visibility in June: 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).





