Mouth of Keswick (NB) Temperature by Month

Mouth of Keswick in New Brunswick, Canada sees significant seasonal temperature differences, with daytime highs between -3°C (27°F) in January and 26°C (79°F) in July, averaging 12°C (54°F) annually. Explore the full monthly breakdown below.

In Mouth of Keswick, temperatures differ significantly between summer and winter months. Nighttime lows reflect this range, dropping from 14°C (57°F) in July to -14°C (7°F) in January.

The chart below illustrates the average maximum day and minimum night temperatures in Mouth of Keswick by month:

From around 4 AM to 6 AM temperatures are at their lowest; by 3 PM they've climbed to their daily peak.

The chart below shows the average temperature throughout the year:

Mouth of Keswick's average annual maximum temperature is 12°C (54°F). To put that in context, here's how it compares to a few well-known destinations:

Lisbon, Portugal averages 21°C (70°F) annually, warm summers, mild winters, and rain mainly in the cooler months.

Zermatt, Switzerland averages just 4°C (39°F) annually due to its altitude, with very cold winters and cool summers even at its warmest.

Beijing, China averages 20°C (68°F) annually, but with big seasonal swings, very cold winters and hot summers.

Brisbane, Australia averages 26°C (79°F) a year, with warm winters and hot, humid summers.

Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.

The readings come from a range of sources, land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.

Global average temperatures have risen by around 1.2°C since the pre-industrial era, and the effects are visible across many regions. Winters are milder on average, with fewer frost days and less snow in many parts of the world. Heatwaves are more frequent and more intense, and Europe's summers of 2018, 2019, and 2020 all set records.

Summers are also getting drier in some areas, while winter rainfall has increased in others. This contributies to higher river levels and more flooding. In many countries, spring arrives earlier and autumn lasts longer. It has knock-on effects for wildlife, agriculture, and local ecosystems.

For more on Mouth of Keswick's weather, including monthly rainfall, sunshine hours, and humidity, visit our Mouth of Keswick climate page.