nomadseason

January Weather in San Francisco, Nicaragua

Last updated: August 31, 2025

In San Francisco, Nicaragua, the average temperature in January reaches a warm 29°C (85°F). Expect the minimum to dip to around 21°C (71°F), while it can soar up to a sizzling 37°C (99°F). You might experience 4 mm (0.2 in) of precipitation over the course of just 1 day, and with an average humidity of 63%, the air can feel quite comfortable. Embrace the warmth! 🌞

January Temperature in San Francisco

In January in San Francisco, the average temperature is 29°C (85°F), with maximums reaching 37°C (99°F) and minimums dipping as low as 21°C (71°F). This warm climate makes it an ideal destination for sun-seekers and outdoor enthusiasts.

January Weather in San Francisco: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Francisco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Francisco, January typically has an average temperature of 29°C (85°F), with highs reaching up to 37°C (99°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec858687868483858382818385
Data source: Temperature data for San Francisco generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in San Francisco

In San Francisco in January, the precipitation amount is 4 mm (0.2 in) during 1 day.

January Precipitation Trends in San Francisco

The chart displays monthly precipitation patterns in San Francisco, 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 San Francisco, January typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec446352573611252983414171036
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in San Francisco

In San Francisco in January humidity is 63%. With an average temperature of 29°C (85°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and slightly drained, making it essential to stay hydrated and take breaks in shaded areas.

January Average Humidity in San Francisco

This chart illustrates the average monthly humidity levels in San Francisco, 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 San Francisco is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%62%59%59%59%68%78%79%77%77%75%67%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Francisco

In San Francisco in January, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in San Francisco.

Maximum UV Index Levels in San Francisco for January

The chart shows the monthly maximum UV Index (UVI) for San Francisco 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 San Francisco typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131313109
Data source: San Francisco 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 San Francisco Compares to Other Months

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

This table compares monthly weather conditions in San Francisco, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather29°C (85°F)4 mm (0.2 inches)63%extreme
February Weather30°C (86°F)4 mm (0.2 inches)62%extreme
March Weather30°C (87°F)6 mm (0.2 inches)59%extreme
April Weather30°C (86°F)35 mm (1.4 inches)59%extreme
May Weather29°C (84°F)257 mm (10.1 inches)59%extreme
June Weather28°C (83°F)361 mm (14.2 inches)68%extreme
July Weather30°C (85°F)125 mm (4.9 inches)77%extreme
August Weather29°C (84°F)298 mm (11.7 inches)79%extreme
September Weather28°C (82°F)341 mm (13.4 inches)77%extreme
October Weather27°C (82°F)417 mm (16.4 inches)77%extreme
November Weather28°C (83°F)103 mm (4.1 inches)75%very high
December Weather29°C (85°F)6 mm (0.2 inches)66%very high

Compare San Francisco's Climate with Cities Worldwide