Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
In April, Half Moon Bay experiences a minor shift in meteorological conditions with average high-temperatures marked at a still moderately hot 27.1°C (80.8°F), closely mirroring the climate in March. Nighttime temperatures in Half Moon Bay hover around an average low of 26.4°C (79.5°F) in April, a slight descent from daytime highs.Heat index
The heat index value during April is computed to be a tropical 30°C (86°F). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
In April, the average relative humidity in Half Moon Bay, Cayman Islands, is 76%.Rainfall
In Half Moon Bay, in April, during 16.7 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Half Moon Bay, during the entire year, the rain falls for 241.1 days and collects up to 854mm (33.62") of precipitation.Daylight
In April, the average length of the day is 12h and 36min.On the first day of April in Half Moon Bay, sunrise is at 06:17 and sunset at 18:38. On the last day of the month, sunrise is at 05:56 and sunset at 18:47 EST.
Sunshine
In Half Moon Bay, Cayman Islands, the average sunshine in April is 9.1h.UV index
The months with the highest UV index are February through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 7 in April leads to these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. 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. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Half Moon Bay?
What is the average humidity in April in Half Moon Bay?
How much does it rain in Half Moon Bay in April?
How many hours of daylight does Half Moon Bay have in April?
When are sunrise and sunset in April in Half Moon Bay?
How long on average sun shines in April in Half Moon Bay?
What are the months with the highest UV index in Half Moon Bay?
How high is the UV index in April in Half Moon Bay?
Average temperature in April
Half Moon Bay, Cayman Islands
- Average high temperature in April: 27.1°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is February (26.2°C).
- Average low temperature in April: 26.4°C
The month with the highest average low temperature is August (28.6°C).
The coldest month (with the lowest average low temperature) is March (24.9°C).
Average pressure in April
Half Moon Bay, Cayman Islands
- Average pressure in April: 1014.4mbar
The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is October (1011.7mbar).
Average wind speed in April
Half Moon Bay, Cayman Islands
- Average wind speed in April: 20.7km/h
The windiest month (with the highest average wind speed) is December (26.4km/h).
The calmest month (with the lowest average wind speed) is September (17.2km/h).
Average humidity in April
Half Moon Bay, Cayman Islands
- Average humidity in April: 76%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is September (74%).
Average rainfall in April
Half Moon Bay, Cayman Islands
- Average rainfall in April: 36mm
The wettest month (with the highest rainfall) is October (159mm).
The driest month (with the least rainfall) is March (24mm).
Average rainfall days in April
Half Moon Bay, Cayman Islands
- Average rainfall days in April: 16.7 days
The month with the highest number of rainy days is October (26.5 days).
The month with the least rainy days is March (16 days).
Average daylight in April /
Average sunshine in April
Half Moon Bay, Cayman Islands
- Average daylight in April: 12h and 4min
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 April: 9h and 1min
The months with the most sunshine are May and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in April
Half Moon Bay, Cayman Islands
- Average sunshine days in April: 8.8 days
The month with the most sunshine days is March (9.3 days).
The month with the least sunshine days is November (2.5 days).
Average UV index in April
Half Moon Bay, Cayman Islands
- Average UV index in April: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in April
Half Moon Bay, Cayman Islands
- Average cloud cover in April: 28
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is April (Cloud cover 28).
Average visibility in April
Half Moon Bay, Cayman Islands
- 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).
Half Moon Bay, Cayman Islands
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