July weather forecast
Kostur, Bulgaria

July

Weather in July

July in Kostur, Bulgaria, is a hot summer month, with an average temperature fluctuating between 30.9°C (87.6°F) and 17.4°C (63.3°F).

Temperature

Kostur observes a slight ascent in average high-temperatures during July, adjusting from a warm 27.5°C (81.5°F) in June to a tropical 30.9°C (87.6°F). July presents a sharp fall from Kostur's daytime highs to an average low-temperature of 17.4°C (63.3°F).

Heat index

The heat index value during July is appraised at a tropical 34°C (93.2°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

In July, the average relative humidity is 56%.

Rainfall

In July, the rain falls for 8.3 days. Throughout July, 26mm (1.02") of precipitation is accumulated. In Kostur, Bulgaria, during the entire year, the rain falls for 111.8 days and collects up to 370mm (14.57") of precipitation.

Snowfall

In Kostur, snow does not fall in April through October.

Daylight

The average length of the day in July is 14h and 53min.
On the first day of the month, sunrise is at 05:43 and sunset at 20:54. On the last day of July, in Kostur, Bulgaria, sunrise is at 06:07 and sunset at 20:34 EEST.

Sunshine

The average sunshine in July is 11.7h.

UV index

The month with the highest UV index is July, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In July, a daily maximum UV index of 7 leads to the following instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

How hot is July in Kostur?
July temperatures vary between a high-temperature of 30.9°C (87.6°F) and a low-temperature of 17.4°C (63.3°F). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is appraised at 34°C (93.2°F).
What is the average humidity in July in Kostur?
In Kostur, Bulgaria, the average relative humidity in July is 56%.
How much does it rain in Kostur in July?
In Kostur, in July, during 8.3 rainfall days, 26mm (1.02") of precipitation is typically accumulated.
When it does not snow in Kostur?
In Kostur, snow does not fall in April through October.
What is the average length of the day in July in Kostur?
In Kostur, Bulgaria, the average day length in July is 14h and 53min.
When is the sunrise / sunset in July in Kostur?
On the first day of July in Kostur, Bulgaria, sunrise is at 05:43 and sunset at 20:54. On the last day of the month, sunrise is at 06:07 and sunset at 20:34 EEST.
How many hours of sunshine does Kostur have in July?
The average sunshine duration in July in Kostur is 11.7h.
When is the highest UV index in Kostur?
The month with the highest UV index is July, with an average maximum UV index of 7.
What is the UV index reading in July in Kostur?
The average daily maximum UV index in July is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in July - Kostur, Bulgaria
Average temperature in July
Kostur, Bulgaria
  • Average high temperature in July: 30.9°C

The warmest month (with the highest average high temperature) is August (31.8°C).
The month with the lowest average high temperature is January (6.1°C).

  • Average low temperature in July: 17.4°C

The month with the highest average low temperature is August (18°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).

Average pressure in July - Kostur, Bulgaria
Average pressure in July
Kostur, Bulgaria
  • Average pressure in July: 1012.3mbar

The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is July (1012.3mbar).

Average wind speed in July - Kostur, Bulgaria
Average wind speed in July
Kostur, Bulgaria
  • Average wind speed in July: 9.8km/h

The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest month (with the lowest average wind speed) is June (9.4km/h).

Average humidity in July - Kostur, Bulgaria
Average humidity in July
Kostur, Bulgaria
  • Average humidity in July: 56%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (51%).

Average rainfall in July - Kostur, Bulgaria
Average rainfall in July
Kostur, Bulgaria
  • Average rainfall in July: 26mm

The wettest month (with the highest rainfall) is June (47mm).
The driest month (with the least rainfall) is August (17mm).

Average rainfall days in July - Kostur, Bulgaria
Average rainfall days in July
Kostur, Bulgaria
  • Average rainfall days in July: 8.3 days

The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is August (5.8 days).

Average snowfall in July - Kostur, Bulgaria
Average snowfall in July
Kostur, Bulgaria
  • Average snowfall in July: 0mm

The month with the highest snowfall is January (55mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in July - Kostur, Bulgaria
Average snowfall days in July
Kostur, Bulgaria
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in July / Average sunshine in July - Kostur, Bulgaria
Average daylight in July /
Average sunshine in July
Kostur, Bulgaria
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in July: 11h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in July - Kostur, Bulgaria
Average sunshine days in July
Kostur, Bulgaria
  • Average sunshine days in July: 20.8 days

The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is June (15.9 days).

Average UV index in July - Kostur, Bulgaria
Average UV index in July
Kostur, Bulgaria
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in July - Kostur, Bulgaria
Average cloud cover in July
Kostur, Bulgaria
  • Average cloud cover in July: 18

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 14).

Average visibility in July - Kostur, Bulgaria
Average visibility in July
Kostur, Bulgaria
  • Average visibility in July: 10km

The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).

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