Average weather for Hamilton in January
It's pleasantly warm in January in Hamilton with an average temperature of 21°C. Temperatures this month range from a low of 19°C to a high of 23°C. At night, you can expect temperatures between 16°C and 19°C.
Start of January
The month of January starts in Hamilton with warm temps, averaging around 22°C during the day and nights around 18°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
Mid January
By mid-January, daytime temps stay steady at around 22°C, with nights around 18°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of January
By the end of January, the average daytime temperature in Hamilton is around 21°C, while nighttime temps are about 17°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days. A shirt, maybe a light sweater, and thin pants will do.
In January, there is an average of 153 mm of precipitation, spread over 15 days. The wind speed is around 5 Bft, mostly coming from the Southwest.
Hamilton in January |
New York | ||
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21°C | 5°C | |
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23°C | 11°C | |
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19°C | -5°C | |
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153 mm | 97 mm | |
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15 days | 12 days |
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is January a good time to visit Hamilton?
Looking for sun? January isn’t a good month to be in Hamilton. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 25°C in 2020, Hamilton reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 14°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 9°C to a highest value of 22°C.
Check out the climate of Hamilton for all months and discover the best travel time
Daily Temperature in January in Hamilton
This chart shows the average daily high and low temperatures in January for Hamilton, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in January in Hamilton
The chart below shows the average daily precipitation in January for Hamilton, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for January, you can expect about 15 days of precipitation in Hamilton.
Daily UV index in January in Hamilton
This chart shows the average daily UV index in January in Hamilton, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in January in Hamilton over the years
This chart shows the average temperature in January in Hamilton, measured in degrees Celsius, over the past few years.
Total precipitation in January in Hamilton over the years
This chart shows the average precipitation in January in Hamilton, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in January for Hamilton
Click on any day in January to get detailed info about the usual weather on that day in Hamilton. Check out the historical temperatures and precipitation over the past 10 years on this day.































Weather experiences in January in Hamilton
Have you been to Hamilton in January?
Share your weather experience in January in Hamilton.
Average weather in Hamilton by month
Click on a month below to see detailed weather info for Hamilton. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.