Climate Overview
The climate in Sa'dah is warm and mild. The average annual temperature is 21°C and approximately 134mm of precipitation falls per year. August is the wettest month, receiving around 31mm of rainfall. Sa'dah is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, July, September. The coldest months are December, January, February, when temperatures can drop to 9°C.
Temperature
Temperatures in Sa'dah vary considerably across the year, with a 24°C difference between the coldest and warmest months. The warmest month is June, when average highs reach 33°C and the mean temperature sits around 27°C. December is the coolest month, with minimum temperatures around 9°C and an average of 16°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 4°C shift in average temperatures.
Precipitation
Sa'dah is a quite dry location, receiving approximately 134mm of precipitation annually, which averages out to around 11mm per month. The wettest month is August, averaging 31mm of rainfall. July and April also tend to see above-average precipitation. The driest month is December, with just 0mm. That's 31mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Sa'dah is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
91 days until Autumn
It is currently summer in Sa'dah, which began on June 21, 2026. Sa'dah is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in June at around 33°C, while the coldest stretch bottoms out in December near 9°C. Autumn is next, beginning on September 23, 2026 — 91 days from now.
Spring
Temperatures range from 14 to 31°C. Rainfall is relatively light, with around 52mm over the season and a monthly average of 17mm. Winds are generally light, averaging 3km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 19 to 33°C. Rainfall is relatively light, with around 63mm over the season and a monthly average of 21mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 11 to 32°C. Precipitation is minimal, with only around 13mm for the entire season. Winds are generally light, averaging 3km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 9 to 25°C. Precipitation is minimal, with only around 6mm for the entire season. Winds are generally light, averaging 3km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Sa'dah is during January, February, March, April, May, August, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 11mm per month. By contrast, June can be uncomfortably hot with temperatures reaching 33°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Sa'dah based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.