Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
As July takes its course, Longwood's average high-temperature registers at a still agreeable 20.9°C (69.6°F), closely aligning with the preceding month. Longwood's nighttime temperature in July experiences a slight dip from daytime highs, falling to an average of 19.4°C (66.9°F).Humidity
The months with the lowest humidity are June and July, with an average relative humidity of 74%.Rainfall
In Longwood, Saint Helena, Ascension and Tristan da Cunha, in July, it is raining for 13.1 days, with typically 9mm (0.35") of accumulated precipitation. In Longwood, Saint Helena, Ascension and Tristan da Cunha, during the entire year, the rain falls for 133.1 days and collects up to 92mm (3.62") of precipitation.Daylight
In Longwood, the average length of the day in July is 11h and 17min.On the first day of the month, sunrise is at 06:50 and sunset at 18:02. On the last day of July, sunrise is at 06:46 and sunset at 18:11 GMT.
Sunshine
In Longwood, the average sunshine in July is 6h.UV index
In July, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 5 in July leads to these guidelines:
Take precautions - Protection against sun damage is advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What are July temperatures in Longwood?
What is the least humid month in Longwood?
What is the average humidity in July in Longwood?
How much does it rain in Longwood in July?
What is the average length of the day in July in Longwood?
When is the sunrise / sunset in July in Longwood?
How many hours of sunshine does Longwood have in July?
What is the UV index intensity in July in Longwood?
Average temperature in July
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average high temperature in July: 20.9°C
The warmest month (with the highest average high temperature) is March (24.7°C).
The month with the lowest average high temperature is September (19.7°C).
- Average low temperature in July: 19.4°C
The month with the highest average low temperature is March (23.5°C).
The coldest months (with the lowest average low temperature) are September and October (18.7°C).
Average pressure in July
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average pressure in July: 1019.8mbar
The months with the highest atmospheric pressure are July and August (1019.8mbar).
The month with the lowest atmospheric pressure is February (1014.1mbar).
Average wind speed in July
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average wind speed in July: 26.2km/h
The windiest month (with the highest average wind speed) is September (28.4km/h).
The calmest month (with the lowest average wind speed) is January (21.8km/h).
Average humidity in July
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average humidity in July: 74%
The month with the highest relative humidity is October (82%).
The months with the lowest relative humidity are June and July (74%).
Average rainfall in July
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average rainfall in July: 9mm
The wettest month (with the highest rainfall) is June (11mm).
The driest months (with the least rainfall) are May, September, October and November (6mm).
Average rainfall days in July
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average rainfall days in July: 13.1 days
The month with the highest number of rainy days is June (13.6 days).
The month with the least rainy days is November (8.5 days).
Average daylight in July /
Average sunshine in July
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average daylight in July: 11h and 2min
The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in July: 6h and 0min
The month with the most sunshine is February (Average sunshine: 7h and 30min).
The month with the least sunshine is September (Average sunshine: 4h and 0min).
Average sunshine days in July
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average sunshine days in July: 9.3 days
The month with the most sunshine days is May (13.2 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in July
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average UV index in July: 5
The months with the highest UV index are January, February, March and May (UV index 6).
The months with the lowest UV index are August, September and October (UV index 4).
Average cloud cover in July
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average cloud cover in July: 56
The month with the most cloud cover is September (Cloud cover 74).
The month with the least cloud cover is February (Cloud cover 44).
Average visibility in July
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average visibility in July: 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).
Longwood, Saint Helena, Ascension and Tristan da Cunha
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