May weather forecast
Najaf, Iraq

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Weather in May

May in Najaf is characterized by a leap in temperatures, stepping firmly into the realm of intense heat. Limited cloud coverage and zero rainfall are the telltale signs of a harsh summer. An increase in average daylight hours to 13.8 along with a UV index of 9 hint at the unabated sun. Despite the steady visibility, dust storms are not an uncommon sight. The consistent wind speed and the decrease in atmospheric pressure make the weather conditions even starker this month.

Temperature

The shift from April to May in Najaf brings an increase in the average high-temperature, moving from a tropical 31.6°C (88.9°F) to a fiery hot 37.8°C (100°F). Throughout May, the nighttime temperature averages to a moderately hot 27.4°C (81.3°F).

Humidity

In Najaf, Iraq, the average relative humidity in May is 18%.

Rainfall

May is the last month it rains in Najaf. During 3.8 rainfall days, in May, Najaf aggregates 6mm (0.24") of precipitation. In Najaf, during the entire year, the rain falls for 33.2 days and collects up to 65mm (2.56") of precipitation.

Daylight

In Najaf, the average length of the day in May is 13h and 48min.
On the first day of the month, sunrise is at 05:16 and sunset at 18:43. On the last day of May, sunrise is at 04:57 and sunset at 19:03 +03.

Sunshine

In May, the average sunshine in Najaf is 12h.

UV index

In May, the average daily maximum UV index in Najaf is 9. A UV Index value of 8 to 10 symbolizes a very high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 9 during May translates into the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Use liberally and reapply a broad-spectrum SPF 30+ sunscreen every two hours, or straight away after any outdoor workout or swim.

Frequently asked questions

How hot does it get in Najaf in May?

Najaf in May has an average high-temperature of 37.8°C (100°F) and an average low-temperature of 27.4°C (81.3°F).

What is the average humidity in May in Najaf?

In Najaf, Iraq, the average relative humidity in May is 18%.

What is the last month it rains in Najaf?

May is the last month it rains. During 3.8 rainfall days, in May, Najaf aggregates 6mm (0.24") of precipitation.

What is the average length of the day in May in Najaf?

The average day length in May in Najaf is 13h and 48min.

When are sunrise and sunset in May in Najaf?

On the first day of May in Najaf, sunrise is at 05:16 and sunset at 18:43. On the last day of the month, sunrise is at 04:57 and sunset at 19:03 +03.

How many hours of sunshine does Najaf have in May?

The average sunshine duration in May in Najaf, Iraq, is 12h.

What is the UV index intensity in May in Najaf?

In Najaf, Iraq, the average daily maximum UV index in May is 9. A UV Index estimate of 8 to 10 represents a very high hazard to health from exposure to Sun's UV rays.

Average temperature in May
Najaf, Iraq

Average temperature in May - Najaf, Iraq
  • Average high temperature in May: 37.8°C

The warmest months (with the highest average high temperature) are July and August (45.3°C).
The month with the lowest average high temperature is January (17.6°C).

  • Average low temperature in May: 27.4°C

The month with the highest average low temperature is July (33.4°C).
The coldest month (with the lowest average low temperature) is January (9.4°C).

Average pressure in May
Najaf, Iraq

Average pressure in May - Najaf, Iraq
  • Average pressure in May: 1007.5mbar

The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (998.8mbar).

Average wind speed in May
Najaf, Iraq

Average wind speed in May - Najaf, Iraq
  • Average wind speed in May: 14.6km/h

The windiest month (with the highest average wind speed) is July (17.9km/h).
The calmest month (with the lowest average wind speed) is November (11.6km/h).

Average humidity in May
Najaf, Iraq

Average humidity in May - Najaf, Iraq
  • Average humidity in May: 18%

The month with the highest relative humidity is January (43%).
The month with the lowest relative humidity is July (11%).

Average rainfall in May
Najaf, Iraq

Average rainfall in May - Najaf, Iraq
  • Average rainfall in May: 6mm

The wettest month (with the highest rainfall) is November (15mm).
The driest months (with the least rainfall) are June, July, August and September (0mm).

Average rainfall days in May
Najaf, Iraq

Average rainfall days in May - Najaf, Iraq
  • Average rainfall days in May: 3.8 days

The months with the highest number of rainy days are March and April (5.5 days).
The month with the least rainy days is August (0 days).

Average daylight in May /
Average sunshine in May
Najaf, Iraq

Average daylight in May / Average sunshine in May - Najaf, Iraq
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in May: 12h and 0min

The month with the most sunshine is August (Average sunshine: 12h and 30min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).

Average sunshine days in May
Najaf, Iraq

Average sunshine days in May - Najaf, Iraq
  • Average sunshine days in May: 25.2 days

The month with the most sunshine days is August (30.9 days).
The month with the least sunshine days is April (23.2 days).

Average UV index in May
Najaf, Iraq

Average UV index in May - Najaf, Iraq
  • Average UV index in May: 9

The month with the highest UV index is July (UV index 10).
The months with the lowest UV index are January and December (UV index 4).

Average cloud cover in May
Najaf, Iraq

Average cloud cover in May - Najaf, Iraq
  • Average cloud cover in May: 9

The month with the most cloud cover is January (Cloud cover 18).
The months with the least cloud cover are July and August (Cloud cover 1).

Average visibility in May
Najaf, Iraq

Average visibility in May - Najaf, Iraq
  • Average visibility in May: 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).

Najaf, Iraq

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