June weather was cool and rainy for the most part. (Jenna Hauck/ Progress file)

June weather was cool and rainy for the most part. (Jenna Hauck/ Progress file)

June weather was mostly rainy and cool across Chilliwack

June rainfall total was 83.1 mm close to a normal amount but over more days than usual

The weather throughout June 2020 was cooler and rainier than usual.

“With a stationery low-pressure trough close to the B.C coast, the first two weeks of June were predominantly wet and cool,” said Roger Pannett, volunteer weather observer for Environment Canada in his June weather report.

A transient ridge of high pressure on June 19 led to welcome sunny skies and the temperature rose to a monthly peak of 28 degrees Celsius.

“However, this was the lowest June maximum temperature in eight years,” Pannett reported.

After the low temperature for the month of 7.2 degrees C on June 1, on June 20 there was a high record minimum of 16.2 degrees C which was 5.9 degrees above normal. The previous high minimum was 15.8 C in 2018.

With reoccurring upper-level low pressure troughs, generally showery conditions prevailed to month’s end.

Because of the mostly cloudy conditions, above-normal overnight minimum temperatures contributed to mean temperatures for the month being 0.49 degrees above normal.

It was the eighth consecutive June with above normal mean temperatures, a warming trend never previously observed since Chilliwack records commenced in 1881.

Extreme UV levels were reported on 4 days, peaking at a record 12 rating on June 22.

The June rainfall total at 83.1 mm was close to normal. However, with 19 rainy days it was the most since the 21 rainy days in June 2012.

On June 29th, the Fraser River at Mission flushed back up to 5.9 metres with some limited flooding in unprotected areas. Bank full is recorded as being at 5.49 meters.

The Chilliwack 2020 precipitation total to date is 845.0 mm on 111 days compared to the 30-year average of 937 mm on 91 days.

READ MORE: Chilly Canada Day in Chilliwack

READ MORE: June 2019 was hot and dry


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