Climate Overview
The climate in Bethlehem is temperate. The average annual temperature is 14°C and approximately 1502mm 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: January, February, December. The coldest months are July, August, June, when temperatures can drop to 7°C.
Temperature
Bethlehem sees moderate temperature variation throughout the year, ranging from 7°C to 23°C. January is the warmest month, though highs remain moderate at 23°C with a mean of 19°C. July is the coolest month, with minimum temperatures around 7°C and an average of 9°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 2°C shift in average temperatures.
Precipitation
Bethlehem is a fairly wet location, receiving approximately 1502mm of precipitation annually, which averages out to around 125mm per month. The wettest month is September, averaging 149mm of rainfall. July and August also tend to see above-average precipitation. The driest month is March, with just 110mm. That's 39mm less than September, 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 20km/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 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in March, with average winds dropping to 18km/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
89 days until Winter
It is currently autumn in Bethlehem, which began on March 20, 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 January at around 23°C, while the coldest stretch bottoms out in July near 7°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 8 to 19°C. Rainfall is heavy, totalling around 398mm across the season with a monthly average of 133mm. Winds are moderate at around 21km/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 349mm across the season with a monthly average of 116mm. Winds are moderate at around 19km/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 359mm across the season with a monthly average of 120mm. Winds are moderate at around 18km/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 396mm across the season with a monthly average of 132mm. Winds are moderate at around 20km/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.
