Climate Overview
The climate in Bethlehem is temperate. The average annual temperature is 14°C and approximately 1587mm of precipitation falls per year. Bethlehem receives a notable amount of rainfall throughout the year, including during its driest month. Bethlehem is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: February, January, December. The coldest months are August, July, June, when temperatures can drop to 7°C.
Temperature
Bethlehem sees moderate temperature variation throughout the year, ranging from 7°C to 23°C. February is the warmest month, though highs remain moderate at 23°C with a mean of 19°C. August is the coolest month, with minimum temperatures around 7°C and an average of 10°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.
Precipitation
Bethlehem is a fairly wet location, receiving approximately 1587mm of precipitation annually, which averages out to around 132mm per month. The wettest month is July, averaging 165mm of rainfall. September and April also tend to see above-average precipitation. The driest month is March, with just 107mm. That's 58mm less than July, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Bethlehem is mildly breezy, with an average annual wind speed of 13km/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 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.
Seasons
87 days until Summer
It is currently spring in Bethlehem, which began on September 23, 2026. Bethlehem is in the Southern Hemisphere, where the seasons are reversed: spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 23°C, while the coldest stretch bottoms out in August near 7°C. Summer is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 8 to 20°C. Rainfall is heavy, totalling around 417mm across the season with a monthly average of 139mm. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 14 to 23°C. Rainfall is heavy, totalling around 376mm across the season with a monthly average of 125mm. Winds are generally light, averaging 12km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 9 to 21°C. Rainfall is heavy, totalling around 371mm across the season with a monthly average of 124mm. Winds are generally light, averaging 12km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 7 to 14°C. Rainfall is heavy, totalling around 423mm across the season with a monthly average of 141mm. Winds are generally light, averaging 13km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Bethlehem 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.
