Climate Overview
The climate in Franklin is temperate. The average annual temperature is 14°C and approximately 844mm of precipitation falls per year. December is the wettest month, receiving around 142mm of rainfall. Franklin 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, December, February. The coldest months are July, June, August, when temperatures can drop to 0°C. Light snow can occur between July and September.
Temperature
Temperatures in Franklin vary considerably across the year, with a 25°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 25°C and the mean temperature sits around 19°C. July is the coolest month, with minimum temperatures around 0°C and an average of 8°C. On average, daily temperatures fluctuate by about 15°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 3°C shift in average temperatures.
Precipitation
Franklin is a moderately rainy area, receiving approximately 844mm of precipitation annually, which averages out to around 70mm per month. The wettest month is December, averaging 142mm of rainfall. January and February also tend to see above-average precipitation. The driest month is June, with just 10mm. That's 132mm less than December, 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. Light snowfall can occur between July and September, totalling around 7cm annually. September is the snowiest month with approximately 2cm.
Wind
Franklin is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months.
Seasons
89 days until Winter
It is currently autumn in Franklin, which began on March 20, 2026. Franklin 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 25°C, while the coldest stretch bottoms out in July near 0°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 6 to 24°C. Precipitation is moderate at around 213mm for the season, averaging 71mm per month. Winds are moderate at around 16km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 12 to 25°C. Rainfall is heavy, totalling around 400mm across the season with a monthly average of 133mm. Winds are generally light, averaging 14km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 4 to 24°C. Precipitation is moderate at around 189mm for the season, averaging 63mm per month. Winds are generally light, averaging 13km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 0 to 20°C. Precipitation is minimal, with only around 42mm for the entire season. Winds are generally light, averaging 14km/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 Franklin is during March, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 87mm per month. By contrast, January can be uncomfortably hot with highs reaching 25°C, while July is the coldest period with lows dropping to 0°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Franklin 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.