April weather forecastCalliste, Grenada

April

Weather in April

April, the same as March, is a moderately hot spring month in Calliste, Grenada, with an average temperature varying between 26.5°C (79.7°F) and 27.3°C (81.1°F).

Temperature

As April takes hold, the average high-temperature is a still warm 27.3°C (81.1°F), nearly mirroring that of the previous month. Calliste's nocturnal readings in April exhibit minimal variation from the daytime temperatures, averaging at a still moderately hot 26.5°C (79.7°F).

Heat index

For April, the heat index is appraised at a tropical 30°C (86°F). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

The average relative humidity in April is 78%.

Rainfall

The month with the least rainfall is April, when the rain falls for 14.8 days and typically collects 25mm (0.98") of precipitation.

Daylight

In Calliste, the average length of the day in April is 12h and 25min.
On the first day of the month, sunrise is at 06:03 and sunset at 18:18. On the last day of April, sunrise is at 05:47 and sunset at 18:20 AST.

Sunshine

The average sunshine in April is 9.7h.

UV index

The months with the highest UV index in Calliste are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 7 during April translates into these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Calliste, in April, the average high-temperature is 27.3°C (81.1°F), and the average low-temperature is 26.5°C (79.7°F). In April, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 30°C (86°F).

In April, the average relative humidity is 78%.

The month with the least rainfall in Calliste is April, when the rain falls for 14.8 days and typically collects 25mm (0.98") of precipitation.

In April, in Calliste, Grenada, the rain falls for 14.8 days. Throughout April, 25mm (0.98") of precipitation is accumulated.

In April, the average day length is 12h and 25min.

On the first day of April in Calliste, sunrise is at 06:03 and sunset at 18:18. On the last day of the month, sunrise is at 05:47 and sunset at 18:20 AST.

In April, the average sunshine duration is 9.7h.

The months with the highest UV index in Calliste, Grenada, are January through December, with an average maximum UV index of 7.

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

The average daily maximum UV index in April in Calliste is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M April M J J A S O N D

Mar

April

May

Average high temperature

26.8°C

27.3°C

27.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

28.1km/h

27.5km/h

28.1km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

8.8

9.2

8.7

Average UV index

Average cloud cover

Average visibility

Average temperature in April
Calliste, Grenada

Average high temperature in April: 27.3°C

The warmest months (with the highest average high temperature) are September and October (28.8°C).
The month with the lowest average high temperature is February (26.7°C).

Average low temperature in April: 26.5°C

The month with the highest average low temperature is September (28.1°C).
The coldest month (with the lowest average low temperature) is February (25.8°C).

Average pressure in April
Calliste, Grenada

Average pressure in April: 1013.3mbar

The month with the highest atmospheric pressure is June (1014.2mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).

Average wind speed in April
Calliste, Grenada

Average wind speed in April: 27km/h

The windiest month (with the highest average wind speed) is February (29.4km/h).
The calmest month (with the lowest average wind speed) is September (21.5km/h).

Average humidity in April
Calliste, Grenada

Average humidity in April: 78%

The months with the highest relative humidity are May, June and July (79%).
The months with the lowest relative humidity are February and September (76%).

Average rainfall in April
Calliste, Grenada

Average rainfall in April: 25mm

The wettest month (with the highest rainfall) is October (110mm).
The driest month (with the least rainfall) is April (25mm).

Average rainfall days in April
Calliste, Grenada

Average rainfall days in April: 14.8 days

The months with the highest number of rainy days are July and August (22.3 days).
The month with the least rainy days is April (14.8 days).

Average daylight in April /
Average sunshine in April
Calliste, Grenada

Average daylight in April: 12h and 24min

The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).

Average sunshine in April: 9h and 42min

The months with the most sunshine are August and September (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

Average sunshine days in April
Calliste, Grenada

Average sunshine days in April: 9.2 days

The months with the most sunshine days are April and October (9.2 days).
The month with the least sunshine days is July (4.6 days).

Average UV index in April
Calliste, Grenada

Average UV index in April: 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 April
Calliste, Grenada

Average cloud cover in April: 39

The month with the most cloud cover is November (Cloud cover 43).
The month with the least cloud cover is September (Cloud cover 35).

Average visibility in April
Calliste, Grenada

Average visibility in April: 10km

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