July weather forecast
Port Mourant, Guyana

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Weather in July

With July, the town witnesses a decline in rainfall and wind speed, indicating a fleeting respite from the lengthy wet season in Port Mourant. However, the most noteworthy development is the mercury soaring to a remarkable 30.3°C (86.5°F), marking July as the warmest month. People gradually adapt to this change, rationalizing their work schedules and leisurely pursuits. Sunshine hours continue to suffice, ensuring that the dampened streets of Port Mourant quickly return to their state of pre-rain bustle. On balance, July is a month of transformation, promising both warmth and relief from the long wet siege.

Temperature

As Port Mourant steps into July, the average high-temperature is measured at a still moderately hot 29.4°C (84.9°F), displaying minor differences from June's 28.8°C (83.8°F). Registering an almost steady temperature, Port Mourant's nights in July see an average low of 24.8°C (76.6°F).

Heat index

For July, the heat index is estimated at a fiery hot 36°C (96.8°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
Consider that heat index readings are for situations in the shade and light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

In July, the average relative humidity in Port Mourant is 81%.

Rainfall

In July, the rain falls for 29.9 days. Throughout July, 301mm (11.85") of precipitation is accumulated. Throughout the year, there are 312.6 rainfall days, and 2298mm (90.47") of precipitation is accumulated.

Daylight

In July, the average length of the day is 12h and 26min.
On the first day of July, sunrise is at 05:39 and sunset at 18:07. On the last day of the month, sunrise is at 05:44 and sunset at 18:07 -04.

Sunshine

The average sunshine in July in Port Mourant is 8.3h.

UV index

The months with the highest UV index are January, February, April, June through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: In July, an average UV index of 7 transforms into the following instructions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Feb 19, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How hot is it in Port Mourant in July?

In Port Mourant, 29.4°C (84.9°F) is the average high-temperature and 24.8°C (76.6°F) is the average low-temperature during July. In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is estimated at 36°C (96.8°F).

What is the average humidity in July in Port Mourant?

In July, the average relative humidity in Port Mourant is 81%.

How many days does it rain in July in Port Mourant?

In Port Mourant, Guyana, in July, during 29.9 rainfall days, 301mm (11.85") of precipitation is typically accumulated.

What is the average length of the day in July in Port Mourant?

The average day length in July in Port Mourant, Guyana, is 12h and 26min.

What time are sunrise and sunset in July in Port Mourant?

On the first day of July in Port Mourant, Guyana, sunrise is at 05:39 and sunset at 18:07. On the last day of the month, sunrise is at 05:44 and sunset at 18:07 -04.

How long on average sun shines in July in Port Mourant?

In Port Mourant, Guyana, the average sunshine duration in July is 8.3h.

What are the months with the highest UV index in Port Mourant?

The months with the highest UV index in Port Mourant are January, February, April, June through December, with an average maximum UV index of 7.

How high is the UV index in July in Port Mourant?

In Port Mourant, the average daily maximum UV index in July is 7. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in July
Port Mourant, Guyana

Average temperature in July - Port Mourant, Guyana
  • Average high temperature in July: 29.4°C

The warmest month (with the highest average high temperature) is September (30.8°C).
The months with the lowest average high temperature are January and February (28°C).

  • Average low temperature in July: 24.8°C

The months with the highest average low temperature are September and October (25.9°C).
The coldest months (with the lowest average low temperature) are January, February and July (24.8°C).

Average pressure in July
Port Mourant, Guyana

Average pressure in July - Port Mourant, Guyana
  • Average pressure in July: 1012.8mbar

The month with the highest atmospheric pressure is June (1012.9mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).

Average wind speed in July
Port Mourant, Guyana

Average wind speed in July - Port Mourant, Guyana
  • Average wind speed in July: 11.3km/h

The windiest month (with the highest average wind speed) is March (16.7km/h).
The calmest month (with the lowest average wind speed) is July (11.3km/h).

Average humidity in July
Port Mourant, Guyana

Average humidity in July - Port Mourant, Guyana
  • Average humidity in July: 81%

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is September (76%).

Average rainfall in July
Port Mourant, Guyana

Average rainfall in July - Port Mourant, Guyana
  • Average rainfall in July: 301mm

The wettest month (with the highest rainfall) is June (314mm).
The driest month (with the least rainfall) is March (97mm).

Average rainfall days in July
Port Mourant, Guyana

Average rainfall days in July - Port Mourant, Guyana
  • Average rainfall days in July: 29.9 days

The month with the highest number of rainy days is July (29.9 days).
The month with the least rainy days is October (23.5 days).

Average daylight in July /
Average sunshine in July
Port Mourant, Guyana

Average daylight in July / Average sunshine in July - Port Mourant, Guyana
  • Average daylight in July: 12h and 2min

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).

  • Average sunshine in July: 8h and 2min

The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is April (Average sunshine: 7h and 0min).

Average sunshine days in July
Port Mourant, Guyana

Average sunshine days in July - Port Mourant, Guyana
  • Average sunshine days in July: 0.3 days

The month with the most sunshine days is October (5 days).
The month with the least sunshine days is July (0.3 days).

Average UV index in July
Port Mourant, Guyana

Average UV index in July - Port Mourant, Guyana
  • Average UV index in July: 7

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

Average cloud cover in July
Port Mourant, Guyana

Average cloud cover in July - Port Mourant, Guyana
  • Average cloud cover in July: 40

The months with the most cloud cover are February and April (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 24).

Average visibility in July
Port Mourant, Guyana

Average visibility in July - Port Mourant, Guyana
  • Average visibility in July: 9km

The months with the highest visibility are January, February, March, April, September, October and December (10km).
The months with the lowest visibility are May, June, July, August and November (9km).

Port Mourant, Guyana

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