The best times to visit New Britain for ideal weather are
February 26th to March 18th
or
July 30th to August 19th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
New Britain Travel Guide
Other New Britain Travel Info
Weather in New Britain
Temperature
Average temperatures in New Britain vary barely at all. Considering humidity, temperatures feel hot all year with a chance of rain throughout most of the year. The area is far less temperate than some — in the 3rd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit New Britain, the hottest months are December, November, and then March. See average monthly temperatures below. The warmest time of year is generally early December where highs are regularly around 88.2°F (31.2°C) with temperatures rarely dropping below 80°F (26.7°C) at night.
New Britain Temperatures (Fahrenheit)
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New Britain Temperatures (Celsius)
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“Feels-Like” Temperatures
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
New Britain Perceived Temperature (F)
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New Britain Perceived Temperature (C)
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Average New Britain Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
Show Fahrenheit
| Month | Avg. High (°F) | Avg. Mean (°F) | Avg. Low (°F) |
|---|---|---|---|
| Jan | 85.7 | 82.9 | 78.8 |
| Feb | 86.2 | 83.4 | 78.7 |
| Mar | 86.6 | 83.6 | 78.9 |
| Apr | 86.3 | 83.3 | 78.6 |
| May | 86.1 | 83.3 | 79 |
| Jun | 85.6 | 83.1 | 78.9 |
| Jul | 84.3 | 82.1 | 78.5 |
| Aug | 84.6 | 82.2 | 78.4 |
| Sep | 85 | 82.4 | 78.6 |
| Oct | 86 | 83.3 | 79.3 |
| Nov | 86.6 | 83.8 | 80 |
| Dec | 87.3 | 84.1 | 79.1 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 29.8 | 28.3 | 26 |
| Feb | 30.1 | 28.6 | 25.9 |
| Mar | 30.3 | 28.7 | 26.1 |
| Apr | 30.2 | 28.5 | 25.9 |
| May | 30.1 | 28.5 | 26.1 |
| Jun | 29.8 | 28.4 | 26.1 |
| Jul | 29.1 | 27.8 | 25.8 |
| Aug | 29.2 | 27.9 | 25.8 |
| Sep | 29.4 | 28 | 25.9 |
| Oct | 30 | 28.5 | 26.3 |
| Nov | 30.3 | 28.8 | 26.7 |
| Dec | 30.7 | 28.9 | 26.2 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in New Britain are November, October, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid August. For example, on the week of August 6th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid June with an average of 5 days of significant precipitation the week of June 18th.
When can you find snow in New Britain? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in New Britain.
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Snow on the Ground
The graph below shows the average snow on the ground in New Britain (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 47% | 0 | 10.6 |
| Feb | 43% | 0 | 5.9 |
| Mar | 39% | 0 | 11.1 |
| Apr | 39% | 0 | 8.7 |
| May | 34% | 0 | 5.2 |
| Jun | 32% | 0 | 8 |
| Jul | 44% | 0 | 7.9 |
| Aug | 37% | 0 | 7 |
| Sep | 32% | 0 | 4.4 |
| Oct | 31% | 0 | 4.1 |
| Nov | 30% | 0 | 6.1 |
| Dec | 41% | 0 | 5.2 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 47 | 0 | 26.9 |
| Feb | 43 | 0 | 15 |
| Mar | 39 | 0 | 28.2 |
| Apr | 39 | 0 | 22.1 |
| May | 34 | 0 | 13.2 |
| Jun | 32 | 0 | 20.3 |
| Jul | 44 | 0 | 20.1 |
| Aug | 37 | 0 | 17.8 |
| Sep | 32 | 0 | 11.2 |
| Oct | 31 | 0 | 10.4 |
| Nov | 30 | 0 | 15.5 |
| Dec | 41 | 0 | 13.2 |
Humidity and Wind
New Britain has some very humid months, and high humidity throughout the year. The least humid month is March (70.8% relative humidity), and the most humid month is July (75.2%).
Wind in New Britain is usually calm. The windiest month is July, followed by August and September. July’s average wind speed of around 8.4 knots (9.6 MPH or 15.5 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late August to early September where average top sustained speeds reach 11.9 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in New Britain.
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Wind
The graph below shows wind speed (max and average) in knots.
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Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
| Month | Avg. Wind | Avg. Wind Feel | Sustained High Wind | High Wind Feel |
| Jan | 6 | Light breeze | 9.6 | Gentle breeze |
| Feb | 5.7 | Light breeze | 9.1 | Gentle breeze |
| Mar | 5.3 | Light breeze | 8.7 | Gentle breeze |
| Apr | 5 | Light breeze | 8.3 | Gentle breeze |
| May | 5.3 | Light breeze | 8.5 | Gentle breeze |
| Jun | 5.9 | Light breeze | 8.7 | Gentle breeze |
| Jul | 8.4 | Gentle breeze | 11.1 | Gentle breeze |
| Aug | 7.9 | Gentle breeze | 10.8 | Gentle breeze |
| Sep | 7.6 | Gentle breeze | 11 | Gentle breeze |
| Oct | 6.5 | Light breeze | 9.9 | Gentle breeze |
| Nov | 5.6 | Light breeze | 8.4 | Gentle breeze |
| Dec | 5 | Light breeze | 8.4 | Gentle breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 75% |
| Feb | 72.5% |
| Mar | 70.8% |
| Apr | 73.3% |
| May | 73.8% |
| Jun | 74.1% |
| Jul | 75.2% |
| Aug | 74.7% |
| Sep | 75% |
| Oct | 73.5% |
| Nov | 72% |
| Dec | 72.8% |
Is it Safe to Travel to New Britain?
Our best data indicates this area is somewhat unsafe. As of Dec 04, 2023 there are strong travel warnings for Papua New Guinea; avoid non-essential travel. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 26, 2023.
The Busiest and Least Crowded Months
The busiest month for tourism in New Britain, Papua New Guinea is July, followed by September and May. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit New Britain in December. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall New Britain Travel Experience by Season
Fall (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 87.8°F (31°C) and 85.5°F (29.7°C) with similar temperatures in the later months. Rain is very common with 11 to 12 days of significant precipitation per month. Fall is the second busiest for tourism, which makes it a good time for those looking for things to do.
Winter (June through August)
The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see moderate precipitation with 10 to 14 days of precipitation per month. June – August is the busiest season for tourism in New Britain, so lodging and other accommodations may cost more than usual.
Spring (September through November)
Spring daily highs range from 87.1°F (30.6°C) and 84.1°F (28.9°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 9 to 10 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.
Summer (December through February)
Weather is perfect this time of year in New Britain to be enjoyable for warm weather travelers. The average high during this season is between 88.2°F (31.2°C) and 84.5°F (29.2°C). On average, it rains or snows a very great amount: 12 to 14 times per month. These times of year are the slowest with tourists.
Best Times to Travel› Papua New Guinea › New Britain, Papua New Guinea