July weather forecast
Saint Louis, Senegal

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Weather in July

In July, the weather in Saint Louis reaches its most varied. The city sees its highest levels of rainfall, with an average of 40mm (1.57") collected over 4 days. July also marks the peak of high temperatures averaging 30.7°C (87.3°F), while nights turn noticeably warmer with temperatures maintained at a steady 24.4°C (75.9°F). The relative humidity escalates to 78.5%, and the sea water warms up to a pleasant 26.3°C (79.3°F). Although the weather can be unpredictable this month, the extended daylight hours and warm sea temperatures still allow for a memorable visit.

Temperature

July brings an average high-temperature of a still tropical 30.7°C (87.3°F), nearly identical to the preceding month. In July, Saint Louis records an average nighttime temperature of 24.4°C (75.9°F).

Heat index

July's heat index is computed to be a sweltering 39°C (102.2°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in July is 78.5%.

Rainfall

In July, in Saint Louis, the rain falls for 4 days. Throughout July, 40mm (1.57") of precipitation is accumulated. Throughout the year, there are 20 rainfall days, and 261mm (10.28") of precipitation is accumulated.

Sea temperature

In Saint Louis, in July, the average water temperature is 26.3°C (79.3°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.

Daylight

In Saint Louis, the average length of the day in July is 12h and 58min.
On the first day of the month, sunrise is at 06:37 and sunset at 19:41. On the last day of July, sunrise is at 06:47 and sunset at 19:37 GMT.

Sunshine

The average sunshine in July in Saint Louis is 7.9h.

UV index

The months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, the maximum UV index of 12 transforms into these recommendations:
Execute all vital precautions. Preventing sun damage is of utmost importance. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Broad-spectrum sunscreen with an SPF of 30 or above should be applied generously and reapplied every two hours and right after any outdoor activity or swim. Alert! UV radiation becomes sharper due to reflections from sand and water.

Frequently asked questions

Is it hot in Saint Louis during July?

In July, the average high-temperature and low-temperature in Saint Louis, Senegal, are 30.7°C (87.3°F) and 24.4°C (75.9°F) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 39°C (102.2°F).

What is the average humidity in July in Saint Louis?

In Saint Louis, Senegal, the average relative humidity in July is 78.5%.

How much does it rain in Saint Louis in July?

In Saint Louis, during July, the rain falls for 4 days and regularly aggregates up to 40mm (1.57") of precipitation.

What is the water temperature in July in Saint Louis?

In Saint Louis, in July, the average water temperature is 26.3°C (79.3°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in July in Saint Louis?

In July, the average day length in Saint Louis, Senegal, is 12h and 58min.

When are sunrise and sunset in July in Saint Louis?

On the first day of July, sunrise is at 06:37 and sunset at 19:41. On the last day of the month, sunrise is at 06:47 and sunset at 19:37 GMT.

How many hours of sunshine does Saint Louis have in July?

In July, the average sunshine duration in Saint Louis is 7.9h.

When is the highest UV index in Saint Louis?

March through September, with an average maximum UV index of 12, are months with the highest UV index in Saint Louis, Senegal.

How high is the UV index in July in Saint Louis?

The average daily maximum UV index in July is 12. A UV Index value of 11, and more, symbolizes an excessive health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in July
Saint Louis, Senegal

Average temperature in July - Saint Louis, Senegal
  • Average high temperature in July: 30.7°C

The warmest month (with the highest average high temperature) is October (33.7°C).
The month with the lowest average high temperature is May (30.3°C).

  • Average low temperature in July: 24.4°C

The month with the highest average low temperature is September (25.1°C).
The coldest month (with the lowest average low temperature) is January (15.2°C).

Average humidity in July
Saint Louis, Senegal

Average humidity in July - Saint Louis, Senegal
  • Average humidity in July: 78.5%

The month with the highest relative humidity is August (80%).
The month with the lowest relative humidity is January (44%).

Average rainfall in July
Saint Louis, Senegal

Average rainfall in July - Saint Louis, Senegal
  • Average rainfall in July: 40.2mm

The wettest month (with the highest rainfall) is August (94.3mm).
The driest month (with the least rainfall) is April (0mm).

Average rainfall days in July
Saint Louis, Senegal

Average rainfall days in July - Saint Louis, Senegal
  • Average rainfall days in July: 4 days

The months with the highest number of rainy days are August and September (6 days).
The months with the least rainy days are March, April, May, November and December (0 days).

Average sea temperature in July
Saint Louis, Senegal

Average sea temperature in July - Saint Louis, Senegal
  • Average sea temperature in July: 26.3°C

The best month for swimming (with the highest average sea temperature) is September (28.2°C).
The coldest month (with the lowest average sea temperature) is March (19.6°C).

Average daylight in July /
Average sunshine in July
Saint Louis, Senegal

Average daylight in July / Average sunshine in July - Saint Louis, Senegal
  • Average daylight in July: 13h and 0min

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in July: 7h and 5min

The month with the most sunshine is April (Average sunshine: 9h and 30min).
The month with the least sunshine is June (Average sunshine: 7h and 24min).

Average UV index in July
Saint Louis, Senegal

Average UV index in July - Saint Louis, Senegal
  • Average UV index in July: 12

The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The months with the lowest UV index are January and December (UV index 8).

Saint Louis, Senegal

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