January Weather in Gilbert, United States

Last updated: June 24, 2025

In January, the average temperature in Gilbert, United States hovers around 10°C (49°F). Expect a wide range in temperatures, with minimums dipping to -11°C (12°F) and maximums soaring to 28°C (82°F). Be prepared for 117 mm (4.6 in) of precipitation over 10 days, and note that humidity averages a damp 83%.

January Temperature in Gilbert

In January in Gilbert, the average temperature is 10°C (49°F). Maximums can reach 28°C (82°F), while minimums can drop as low as -11°C (12°F). Be prepared for a wide range of temperatures when traveling during this time.

January Weather in Gilbert: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Gilbert, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gilbert, January typically has an average temperature of 10°C (49°F), with highs reaching up to 28°C (82°F) and lows dropping to around -11°C (12°F).

Data source: Temperature data for Gilbert generated using information from the Copernicus Climate Change Service.

January Precipitation in Gilbert

In Gilbert in January, the total precipitation amount is 117 mm (4.6 in) recorded over a span of 10 days.

January Precipitation Trends in Gilbert

The chart displays monthly precipitation patterns in Gilbert, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Gilbert, January typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Gilbert

In Gilbert in January humidity is 83%. With an average temperature of 10°C (49°F), this humidity feels like a damp chill enveloping you, making outdoor activities feel more uncomfortable and potentially dampening your travel experience.

January Average Humidity in Gilbert

This chart illustrates the average monthly humidity levels in Gilbert, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Gilbert is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Gilbert

In Gilbert 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 Gilbert for better planning.

Maximum UV Index Levels in Gilbert for January

The chart shows the monthly maximum UV Index (UVI) for Gilbert in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Gilbert typically reaches 4, which falls under the moderate exposure category.

Data source: Gilbert January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Gilbert Compares to Other Months

Weather in Gilbert varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Gilbert, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Gilbert, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (49°F)	117 mm (4.6 inches)	83%	moderate
February Weather	12°C (54°F)	165 mm (6.5 inches)	83%	high
March Weather	17°C (62°F)	114 mm (4.5 inches)	80%	very high
April Weather	19°C (66°F)	138 mm (5.4 inches)	81%	extreme
May Weather	24°C (75°F)	134 mm (5.3 inches)	81%	extreme
June Weather	27°C (80°F)	130 mm (5.1 inches)	78%	extreme
July Weather	28°C (83°F)	113 mm (4.4 inches)	79%	extreme
August Weather	28°C (83°F)	110 mm (4.3 inches)	79%	extreme
September Weather	27°C (80°F)	89 mm (3.5 inches)	79%	very high
October Weather	21°C (70°F)	119 mm (4.7 inches)	77%	very high
November Weather	13°C (56°F)	83 mm (3.2 inches)	85%	high
December Weather	12°C (53°F)	123 mm (4.8 inches)	88%	moderate