Last updated: June 24, 2025
In January, the average temperature in Opal, United States is a brisk 3°C (38°F). Be prepared for a wide range of temperatures, with lows dipping to -16°C (4°F) and highs reaching up to 21°C (71°F). Expect about 60 mm (2.3 in) of precipitation spread over 8 days, contributing to a high average humidity of 86%. Dress warmly and stay dry!
In January in Opal, the average temperature is 3°C (38°F). Maximum temperatures can reach 21°C (71°F), while minimums can drop as low as -16°C (4°F). Visitors should be prepared for a wide range of temperatures and dress accordingly for their travels.
In Opal in January, the precipitation amount is 60 mm (2.3 in) over a span of 8 days.
In Opal in January humidity is 86%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps through your layers, making traveling uncomfortable as breath clouds visibly in the crisp air.
In Opal in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Opal, you can check the information here.
UV Risk Categories
Weather in Opal varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Opal, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 3°C (38°F) | 60 mm (2.3 inches) | 86% | moderate |
February Weather | 6°C (42°F) | 90 mm (3.5 inches) | 86% | moderate |
March Weather | 9°C (48°F) | 74 mm (2.9 inches) | 86% | high |
April Weather | 14°C (58°F) | 103 mm (4.1 inches) | 84% | very high |
May Weather | 19°C (67°F) | 116 mm (4.5 inches) | 78% | very high |
June Weather | 24°C (76°F) | 106 mm (4.2 inches) | 79% | very high |
July Weather | 27°C (81°F) | 85 mm (3.3 inches) | 70% | very high |
August Weather | 25°C (78°F) | 132 mm (5.2 inches) | 59% | very high |
September Weather | 22°C (72°F) | 90 mm (3.5 inches) | 68% | very high |
October Weather | 17°C (63°F) | 106 mm (4.2 inches) | 80% | high |
November Weather | 9°C (48°F) | 80 mm (3.2 inches) | 86% | moderate |
December Weather | 5°C (42°F) | 85 mm (3.3 inches) | 85% | moderate |