Weather in Holyrood

Climate of Holyrood: 1991–2020 normals

In Holyrood, August is typically the warmest month (up to 19.9 °C on average), while February is the coldest at -6.2 °C. December sees the most rain, with around 138 mm.

By season (average highs, 1991–2020 normals): winter 0.9 °C and 383 mm of rain, spring 5.5 °C and 298 mm, summer 17.9 °C and 255 mm, autumn 11.7 °C and 356 mm. The wettest season is winter (30 % of the annual total), the driest summer (20 %).

Compared with St. John's, the main town 38 km to the north-east, highs in the warmest month are 0.2 °C higher here, and the year brings 109 mm more precipitation. In 5 months the average low falls below 0 °C (January, February, March, April and December); in no month does the average high exceed 20 °C.

Nearby places with normals of their own (from another station or reanalysis grid cell) compare as follows: Conception Bay South (16 km to the north-east): almost identical normals; Goulds (28 km to the east): summers 0.8 °C cooler and 109 mm drier a year; Wabana (31 km to the north-east): summers 1.5 °C cooler and 40 mm wetter a year. Among the 39 places we cover in Newfoundland and Labrador whose normals come from the ERA5 reanalysis, Holyrood ranks 17th for summer warmth and 13th for annual precipitation. The warmest summers are in Grand Falls-Windsor and the coolest in St. Anthony; the wettest year is in Placentia and the driest in Labrador City.