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Contents
- The climate of Sana'a
- The best time to visit Sana'a
- The worst time to visit Sana'a
- Spring weather in Sana'a
- Summer weather in Sana'a
- Autumn weather in Sana'a
- Winter weather in Sana'a
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The lovely ancient city of Sana'a in Yemen
The climate of Sana'a
Sana'a, Yemen, is characterized by a BWk or Mid-latitude desert climate according to the Köppen climate classification. Positioned at a high altitude and nestled amongst the mountains, Sana'a exhibits a temperature range throughout the year, from a chilly 9.5°C (49.1°F) to a considerably warm 26.8°C (80.2°F).
The monthly average of relative humidity varies, oscillating from 29% to 48% across the year. Observations of rainfall patterns show a diverse distribution across months, with a high rainfall of 111mm (4.37") in August to a low of merely 5mm (0.2") in October and December. The city is subject to an average of 71.3 days of rainfall across the year.
Sunshine hours fluctuate from an annual low of 7.6 hours in April to a high of 13.4 hours in June. The daylight duration changes by about 2 hours from 11.2 hours in December to 13 hours in June. The average UV index remains moderate, ranging from 4 to 6 throughout the year. Most of the year, the city is blessed with an excellent visibility of 10km (6.2mi) accompanied by an average atmospheric pressure of around 1010 mb.
The monthly average of relative humidity varies, oscillating from 29% to 48% across the year. Observations of rainfall patterns show a diverse distribution across months, with a high rainfall of 111mm (4.37") in August to a low of merely 5mm (0.2") in October and December. The city is subject to an average of 71.3 days of rainfall across the year.
Sunshine hours fluctuate from an annual low of 7.6 hours in April to a high of 13.4 hours in June. The daylight duration changes by about 2 hours from 11.2 hours in December to 13 hours in June. The average UV index remains moderate, ranging from 4 to 6 throughout the year. Most of the year, the city is blessed with an excellent visibility of 10km (6.2mi) accompanied by an average atmospheric pressure of around 1010 mb.
The best time to visit Sana'a
In the interest of enjoying pleasant and comfortable temperatures coupled with a low incidence of rain, it would be optimal to visit Sana'a from November to February. During these months, temperatures oscillate between 9.3°C (48.7°F) and 21.8°C (71.2°F) without the burden of too much precipitation, as rainfall only amounts to 16mm (0.63") over 11 days.
These months also experience moderate daylight duration varying from 11.2 to 11.6 hours, coupled with substantial sunshine hours, between 7.7 to 9.9 hours. The period sees a moderate ultraviolet index from 4 to 5, which is less harmful to the skin, especially for visitors unaccustomed to sunlight exposure. Therefore, this period provides an ideal opportunity for tourists to explore the city while avoiding the intense summer heat and the heavy rains of late spring and early summer.
These months also experience moderate daylight duration varying from 11.2 to 11.6 hours, coupled with substantial sunshine hours, between 7.7 to 9.9 hours. The period sees a moderate ultraviolet index from 4 to 5, which is less harmful to the skin, especially for visitors unaccustomed to sunlight exposure. Therefore, this period provides an ideal opportunity for tourists to explore the city while avoiding the intense summer heat and the heavy rains of late spring and early summer.
The worst time to visit Sana'a
The period from April to August, encompassing late spring and early summer, could be considered unfavorable for visiting Sana'a. During this part of the year, the temperature scales from 15.2°C (59.4°F) to 26.8°C (80.2°F), which can be uncomfortable for leisure activities. Visitors during this period would also have to encounter heavy rainfall, particularly from May to August, as the total precipitation for the period reaches 341mm (13.43").
Spring weather in Sana'a
Spring in Sana'a, from March to May, experiences an average temperature that ranges from 13.3°C (55.9°F) to 25.2°C (77.4°F). The rainfall during this season escalates from 53mm (2.09") in March to a substantial 103mm (4.06") in April before mildly receding to 66mm (2.6") in May. Over these months, the average relative humidity hovers around 41%, enabling a reasonably comfortable atmosphere.
Summer weather in Sana'a
Summer, starting from June and lasting till August, records the warmest temperatures of the year, from 18.3°C (64.9°F) to 26.8°C (80.2°F). The season also witnesses heightened rainfall, especially in July and August with 100mm (3.94") and 111mm (4.37") respectively. Despite receiving the most intense sunlight, with average daily sunshine hours of 11.8 in June, the month also notes the year's lowest relative humidity at 30%.
Autumn weather in Sana'a
Autumn months in Sana'a, between September and November, see temperatures ranging from 10.9°C (51.6°F) to 25°C (77°F). Rainfall is at its annual lowest during these months, with a mere 18mm (0.71") in September falling even lower to just 5mm (0.2") in October before picking up a little to reach 11mm (0.43") in November. This season experiences the beginning of increased relative humidity, marking the onset of cooler months.
Winter weather in Sana'a
Winter in Sana'a begins in December and lasts until February. The period is characterized by temperatures between 9.3°C (48.7°F) to 21.8°C (71.2°F). This season observes a reasonably low amount of rainfall, with just 5mm (0.2") in December and February and 9mm (0.35") in January. As temperatures drop, the relative humidity marginally increases, making winters relatively cooler and more comfortable in Sana'a.
Weather in January
The coldest month in Sana'a, Yemen is January. Temperatures fluctuate from 9.5°C (49.1°F) during night time to 20.3°C (68.5°F) at peak day times. There is a crisp feel to the air, amplified by a consistent average wind speed of 5.2km/h (3.2mph). Weather in January »
Weather in February
Weather conditions in February tend to become slightly warmer compared to January. This is particularly noticeable in the increase in both low and high temperature digits, a trend that continues through March. By February, the average wind speed increases mildly to 6.1km/h (3.8mph) and there is a modest rise in rainfall levels. Weather in February »
Weather in March
A noticeable upturn in weather begins to emerge in March, indicating the transition from winter to spring in Sana'a, Yemen. The most notable change in climate parameters sees a distinct increase in rainfall levels, which triple from 17mm (0.67") in February to 53mm (2.09") in March. Weather in March »
Weather in April
April accompanies a shift to higher temperatures, signifying the full-fledged arrival of spring in Sana'a. This month differs in its weather characteristics from both preceding March and succeeding May. April holds the record for the highest occurrence of rainy days in a month, a stark contrast to May, which sees significantly less rainfall. Weather in April »
Weather in May
By May, the residents of Sana'a are experiencing typical spring weather. Compared to the heavy rainfall of April, May is drier with significantly reduced rainfall levels. The country's daily average temperature continues to trend upward, conditions that persist through to June. Weather in May »
Weather in June
June embodies the summer season in Sana'a. The city experiences an uptrend in temperature, as evidenced in the average high temperature hitting 26.8°C (80.2°F). There is a growth in wind speeds whilst pressure levels significantly fall. Weather in June »
Weather in July
For July, the weather in Sana'a, Yemen is explicitly summery, albeit with a twist. While July battles June for the hottest month, it notably bears the most amount of rainfall in a year, jumping to 100mm (3.94") from June’s modest 28mm (1.1"). Weather in July »
Weather in August
In August, stifling temperature highs persist while rain showers increase, thus mirroring July's weather conditions. However, the average low temperature and daily sunlight hours reduce marginally. The wind speeds reduce further in comparison to July, reaching an average of 8.6km/h (5.3mph), which sets up a tranquil late-summer vibe. Weather in August »
Weather in September
September ushers in an evident change in Sana'a's weather; a relief from the excessive rainfall experienced in August and a transition towards autumn. There is a 93mm (3.66") rainfall drop from August, marking September as one of the driest months of the year. Weather in September »
Weather in October
October stands a testament to autumn in Sana'a with significant temperature decline and dramatic decrease in rainfall. The chill of the evening air becomes more palpable in comparison to September. Forecast data illustrates a relatively dry month, specially considering the substantial dip in rainfall, which makes October the driest month of the year in Sana'a. Weather in October »
Weather in November
Noticeable changes in weather conditions occur in November. The temperatures fall further from October levels, paving the way for the incoming winter. Although it is not vastly different from October, November is known for more cloud cover, a drop in atmospheric pressure, and marginally increased humidity. Weather in November »
Weather in December
December exhibits Sana'a at the threshold of winter, with the weather becoming discernibly cooler compared to November. Forecast data shows that December weather expects to feature low temperatures of 9.3°C (48.7°F), marginally lower than November's low-temperature averages. Weather in December »
[Resources]Frequently asked questions
How much does it rain in Sana'a?
In Sana'a, Yemen, during the entire year, the rain falls for 151.7 days and collects up to 526mm (20.71") of precipitation.
What is the month with the least sunshine in Sana'a?
The months with the least sunshine are January, November and December, with an average of 7.7h of sunshine.
What month has the most sunshine in Sana'a?
With an average of 11.9h of sunshine, May has the most sunshine of the year.
What are the months with the highest UV index in Sana'a?
The months with the highest UV index in Sana'a, Yemen, are May, June and August, with an average maximum UV index of 6.
What time of the year is the hottest in Sana'a?
In Sana'a, June is identified by the average highest temperatures, reaching a peak of 26.8°C (80.2°F) and a low of 18.3°C (64.9°F).
When are the longest days in Sana'a?
The month with the longest days in Sana'a, Yemen, is June, with an average of 13h and 0min of daylight.
What is the most humid month in Sana'a?
August is the most humid month, with an average relative humidity of 48%.
What is the wettest month in Sana'a?
The month with the most rainfall is August, when the rain falls for 24.4 days and typically aggregates up to 111mm (4.37") of precipitation.
What is the least humid month in Sana'a?
The least humid month in Sana'a, Yemen, is October, with an average relative humidity of 29%.
What is the driest month in Sana'a?
The months with the least rainfall are October and December Rain falls for 2.5 days and accumulates 5mm (0.2") of rain.
When is the lowest UV index in Sana'a?
November and December, with an average maximum UV index of 4, are months with the lowest UV index.
What are the coldest months in Sana'a?
The coldest period is December, when temperatures fluctuate between an average high of 19.7°C (67.5°F) and a low of 9.3°C (48.7°F).
What is the month with the shortest days in Sana'a?
December has the shortest days of the year in Sana'a, Yemen, with an average of 11h and 12min of daylight.
Is there Daylight Saving Time (DST) in Sana'a?
Sana'a, Yemen, does not observe Daylight Saving Time (DST). +03 timezone is used over the entire year.
Average temperature
Sana'a, Yemen
The warmest month (with the highest average high temperature) is June (26.8°C).
The month with the lowest average high temperature is December (19.7°C).
The month with the highest average low temperature is July (18.5°C).
The coldest month (with the lowest average low temperature) is December (9.3°C).
Average pressure
Sana'a, Yemen
- Average pressure in January:
1016.5mbar - Average pressure in February:
1014.9mbar - Average pressure in March:
1013.4mbar - Average pressure in April:
1012mbar - Average pressure in May:
1011mbar - Average pressure in June:
1008.3mbar
- Average pressure in July:
1006.8mbar - Average pressure in August:
1007.6mbar - Average pressure in September:
1010.1mbar - Average pressure in October:
1013.7mbar - Average pressure in November:
1015.2mbar - Average pressure in December:
1016.9mbar
The month with the highest atmospheric pressure is December (1016.9mbar).
The month with the lowest atmospheric pressure is July (1006.8mbar).
Average wind speed
Sana'a, Yemen
- Average wind speed in January:
5.2km/h - Average wind speed in February:
6.1km/h - Average wind speed in March:
7.2km/h - Average wind speed in April:
6.7km/h - Average wind speed in May:
9.1km/h - Average wind speed in June:
10.6km/h
- Average wind speed in July:
9.9km/h - Average wind speed in August:
8.6km/h - Average wind speed in September:
10.3km/h - Average wind speed in October:
9.7km/h - Average wind speed in November:
6.7km/h - Average wind speed in December:
5.6km/h
The windiest month (with the highest average wind speed) is June (10.6km/h).
The calmest month (with the lowest average wind speed) is January (5.2km/h).
Average humidity
Sana'a, Yemen
The month with the highest relative humidity is August (48%).
The month with the lowest relative humidity is October (29%).
Average rainfall
Sana'a, Yemen
The wettest month (with the highest rainfall) is August (111mm).
The driest months (with the least rainfall) are October and December (5mm).
Average rainfall days
Sana'a, Yemen
- Average rainfall days in January:
6.5 days - Average rainfall days in February:
8.5 days - Average rainfall days in March:
17.8 days - Average rainfall days in April:
20 days - Average rainfall days in May:
13.6 days - Average rainfall days in June:
12.3 days
- Average rainfall days in July:
26.2 days - Average rainfall days in August:
24.4 days - Average rainfall days in September:
8.9 days - Average rainfall days in October:
2.5 days - Average rainfall days in November:
5.8 days - Average rainfall days in December:
5.2 days
The month with the highest number of rainy days is July (26.2 days).
The month with the least rainy days is October (2.5 days).
Average daylight / Average sunshine
Sana'a, Yemen
- Average daylight in January:
11h and 2min - Average daylight in February:
11h and 4min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 3min - Average daylight in May:
12h and 5min - Average daylight in June:
13h and 0min
- Average daylight in July:
12h and 5min - Average daylight in August:
12h and 4min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 5min - Average daylight in November:
11h and 2min - Average daylight in December:
11h and 1min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in January:
7h and 4min - Average sunshine in February:
9h and 5min - Average sunshine in March:
9h and 5min - Average sunshine in April:
11h and 4min - Average sunshine in May:
11h and 5min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
11h and 3min - Average sunshine in September:
11h and 1min - Average sunshine in October:
9h and 5min - Average sunshine in November:
7h and 4min - Average sunshine in December:
7h and 4min
The month with the most sunshine is May (Average sunshine: 11h and 54min).
The months with the least sunshine are January, November and December (Average sunshine: 7h and 42min).
Average sunshine days
Sana'a, Yemen
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
14.5 days - Average sunshine days in March:
9.5 days - Average sunshine days in April:
7.6 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
13.4 days
- Average sunshine days in July:
2.8 days - Average sunshine days in August:
3.7 days - Average sunshine days in September:
16 days - Average sunshine days in October:
27.5 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
23 days
The month with the most sunshine days is October (27.5 days).
The month with the least sunshine days is July (2.8 days).
Average UV index
Sana'a, Yemen
The months with the highest UV index are May, June and August (UV index 6).
The months with the lowest UV index are November and December (UV index 4).
Average cloud cover
Sana'a, Yemen
The month with the most cloud cover is July (Cloud cover 36).
The month with the least cloud cover is October (Cloud cover 4).
Average visibility
Sana'a, Yemen
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).
Sana'a, Yemen
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