May weather forecastJunique, French Guiana

May

Weather in May

May, the last month of the spring in Junique, is another warm month, with temperature in the range of an average high of 29.5°C (85.1°F) and an average low of 23.3°C (73.9°F).

Temperature

With the transition into May, Junique notes an average high-temperature of a still moderately hot 29.5°C (85.1°F), closely resembling April. In May, Junique experiences a temperature dip to an average of 23.3°C (73.9°F) at night.

Heat index

The heat index for May is estimated at a torrid 38°C (100.4°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

The average relative humidity in May is 86%.

Rainfall

May is the month with the most rainfall in Junique. Rain falls for 28 days and accumulates 137mm (5.39") of precipitation.

Daylight

In May, the average length of the day is 12h and 22min.
On the first day of the month, sunrise is at 06:23 and sunset at 18:42. On the last day of May, in Junique, sunrise is at 06:21 and sunset at 18:46 -03.

Sunshine

The average sunshine in May in Junique is 5.9h.

UV index

January through June and December, with an average maximum UV index of 6, are months with the lowest UV index in Junique. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in May, in Junique, is 29.5°C (85.1°F), while the low-temperature averages to 23.3°C (73.9°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in May is estimated at 38°C (100.4°F).

In Junique, the average relative humidity in May is 86%.

May is the month with the most rainfall. Rain falls for 28 days and accumulates 137mm (5.39") of precipitation.

In Junique, French Guiana, in May, during 28 rainfall days, 137mm (5.39") of precipitation is typically accumulated.

The average day length in May in Junique is 12h and 22min.

On the first day of May in Junique, French Guiana, sunrise is at 06:23 and sunset at 18:42. On the last day of the month, sunrise is at 06:21 and sunset at 18:46 -03.

In Junique, the average sunshine duration in May is 5.9h.

January through June and December, with an average maximum UV index of 6, are months with the lowest UV index in Junique, French Guiana.

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

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

Apr

May

Jun

Average high temperature

29.7°C

29.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.8km/h

8.9km/h

7.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

2.7

1.8

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Junique, French Guiana

Average high temperature in May: 29.5°C

The warmest month (with the highest average high temperature) is October (33.1°C).
The month with the lowest average high temperature is February (29.1°C).

Average low temperature in May: 23.3°C

The month with the highest average low temperature is May (23.3°C).
The coldest month (with the lowest average low temperature) is July (22.2°C).

Average pressure in May
Junique, French Guiana

Average pressure in May: 1012.2mbar

The months with the highest atmospheric pressure are June and July (1012.9mbar).
The month with the lowest atmospheric pressure is November (1009.5mbar).

Average wind speed in May
Junique, French Guiana

Average wind speed in May: 8.2km/h

The windiest months (with the highest average wind speed) are February and March (9.5km/h).
The calmest month (with the lowest average wind speed) is July (6.4km/h).

Average humidity in May
Junique, French Guiana

Average humidity in May: 86%

The month with the highest relative humidity is June (88%).
The month with the lowest relative humidity is October (77%).

Average rainfall in May
Junique, French Guiana

Average rainfall in May: 137mm

The wettest month (with the highest rainfall) is May (137mm).
The driest month (with the least rainfall) is October (23mm).

Average rainfall days in May
Junique, French Guiana

Average rainfall days in May: 28 days

The month with the highest number of rainy days is May (28 days).
The month with the least rainy days is September (11.5 days).

Average daylight in May /
Average sunshine in May
Junique, French Guiana

Average daylight in May: 12h and 24min

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

Average sunshine in May: 5h and 54min

The month with the most sunshine is September (Average sunshine: 9h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in May
Junique, French Guiana

Average sunshine days in May: 1.8 days

The month with the most sunshine days is October (16 days).
The month with the least sunshine days is May (1.8 days).

Average UV index in May
Junique, French Guiana

Average UV index in May: 6

The months with the highest UV index are July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June and December (UV index 6).