Rotorua, New Zealand weather in January

Historical temperature average in January

In Rotorua, New Zealand
75°F
highs
57°F
lows
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General weather summary

Mildly cool with a gentle breeze
Feels like
29%
Chance of rain
0.148 in
Amount
10.9 mph
Wind speed
72%
Humidity
14.5 hrs
Daylight length
6:08 AM
Sunrise
8:38 PM
Sunset
56%
Cloud cover
T-shirt
What to wear
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Don't take our word for it
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What is the average temperature in January

The average temperature in Rotorua in January for a typical day ranges from a high of 75°F (24°C) to a low of 57°F (14°C). Some would describe it as mildly cool with a gentle breeze.

For comparison, the hottest month in Rotorua, February, has days with highs of 76°F (24°C) and lows of 58°F (14°C). The coldest month, July has days with highs of 52°F (11°C) and lows of 42°F (6°C). This graph shows how an average day looks like in Rotorua in January based on historical data.

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Highs and lows in Rotorua in Jan

How much does it rain in January

In Rotorua in January, there's a 29% chance of rain on an average day. And on the average day it rains or snows, we get 0.51 in (12.8 mm) of precipitation. In more common terms of how much that is, some would describe it as moderate rain.

The wettest month in Rotorua is September where a typical day has a 44% chance of precipitation and gets 0.13 inches (3.4 mm) of precipitation, while the dryest month in Rotorua is March where a typical day has a 23% chance of precipitation and gets 0.16 inches (4.1 mm) of precipitation. These graphs show the probability of it raining/snowing in January and the amount of rainfall.

Chance of rain or snow on an average Rotorua day by month
Average precipitation by hour of day
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How cloudy is Rotorua in January

The average amount of time that the sky is clear or sunny (partly cloudy or less) in Rotorua during January is 13.3 hours (56% of the day). For comparison, the month with the most clear, sunny days in Rotorua is February with an average of 14.0 hours per day while July has the shortest amount of cloud-free hours with only 9.9 hours per day. This graph shows the average amount of sunshine in Rotorua in January based on historical data.
Monthly clear skies percent of time in Rotorua

When is sunrise and sunset in January

The average day in Rotorua during January has 14.5 hours of daylight, with sunrise at 6:08 AM and sunset at 8:38 PM.

The day with the longest amount of daylight in Rotorua is December 18th with 14.8 hours while June 22nd has the shortest amount of daylight with only 9.5 hours.

This graph shows the average amount of daylight in Rotorua in January based on historical data.

Average hours of daylight in Rotorua by month

How humid is it in January

In January, Rotorua is moderately humid with an average amount of 72% (relative humidity), which could be described as humid but cool. June has the highest relative humidity at 91% and is the least humid in January at 72%. This graph shows the average amount of humidity in Rotorua throughout January based on historical data.
Average relative humidity in Rotorua by month

How windy is it in January

Historically, the wind in Rotorua during January blows at an average speed of 10.9 mph (17.5 kph). The windiest month is September with an average wind speed of 11.7 mph (18.8 kph), while the calmest month is February with an average wind speed of 9.3 mph (15.0 kph). This graph shows the average wind speed in Rotorua in January based on historical data.
Average monthly wind speed in Rotorua

What to wear in January

With an average high of 75°F (24°C) and a low of 57°F (14°C), it generally feels mildly cool with a gentle breeze. There might also be a small chance of rain. With that in mind, most people would dress in something light like your favorite t-shirt
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Where does this data come from

Weather data for Rotorua was collected from the MERRA-2 project from NASA, which used a climate model combined with historical data from weather stations around the world to estimate what the conditions were like for every point on the Earth.

For all data based on historical data, we've averaged the data from the past 11 years (2010-2020). For example, for the hourly temperature at 10am, we've looked at the temperature at 10am on every day in January (e.g., January 1, January 2, etc. in 2010, 2011, etc.) and took the arithmetic mean. We did not smooth the data, so for example, our daily temperature line will have some randomness due to the fact that weather is random in the first place.

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