Last updated: June 24, 2025
In January, the average temperature in Savanna, United States hovers around 5°C (42°F), with temperature extremes ranging from a chilly -15°C (5°F) to a warm 25°C (77°F). Rainfall totals approximately 68 mm (2.7 in) over the course of 7 days, and you can expect an average humidity level of 79%, contributing to a cool and damp atmosphere.
In January in Savanna, the average temperature is 5°C (42°F). Maximums can reach 25°C (77°F), while minimums can dip as low as -15°C (5°F). Be prepared for a wide temperature range when traveling during this month.
In Savanna in January, the precipitation amount is 68 mm (2.7 in) over the course of 7 days.
In Savanna in January, humidity is 79%. With an average temperature of 5°C (42°F), this humidity feels like a chilly mist enveloping you, making outdoor activities challenging and travel less appealing, as the dampness clings to your skin and the cold bites through your layers.
In Savanna in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Savanna for better planning.
UV Risk Categories
Weather in Savanna varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Savanna, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 5°C (42°F) | 68 mm (2.7 inches) | 79% | moderate |
February Weather | 7°C (44°F) | 101 mm (4.0 inches) | 78% | high |
March Weather | 13°C (56°F) | 104 mm (4.1 inches) | 75% | high |
April Weather | 16°C (61°F) | 122 mm (4.8 inches) | 75% | very high |
May Weather | 21°C (71°F) | 189 mm (7.4 inches) | 83% | very high |
June Weather | 26°C (79°F) | 85 mm (3.4 inches) | 81% | extreme |
July Weather | 28°C (83°F) | 68 mm (2.7 inches) | 78% | extreme |
August Weather | 27°C (81°F) | 100 mm (3.9 inches) | 68% | very high |
September Weather | 25°C (77°F) | 109 mm (4.3 inches) | 64% | very high |
October Weather | 17°C (64°F) | 146 mm (5.8 inches) | 71% | high |
November Weather | 11°C (52°F) | 58 mm (2.3 inches) | 82% | moderate |
December Weather | 8°C (47°F) | 79 mm (3.1 inches) | 87% | moderate |