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    Canada

    St. John's weather and climate in 2024

     

    Day

    -1 °C

     

    Night

    -8 °C

     

    Sea

    0 °C

     

    Precipitation

    142 mm

    in month

     

    Rainy days

    18 days

    in month

     

    Daylight

    9 hours

    average

     

    Sunshine

    2 hours

    average

     

    Humidity

    82 %

     

    Day

    -1 °C

     

    Night

    -8 °C

     

    Sea

    0 °C

     

    Precipitation

    142 mm

    in month

     

    Rainy days

    18 days

    in month

     

    Daylight

    9 hours

    average

     

    Sunshine

    2 hours

    average

     

    Humidity

    82 %

    Overview: St. John's
    St. John's, with its cool marine climate, offers a refreshing escape with temperatures ranging from chilly winter averages of -1 °C (31 °F) in January to mild summer peaks of 21 °C (70 °F) in July. Throughout the year, the city experiences moderate precipitation, the peak rainfall of 156 mm (6.14 in) occurring in December, and the gentlest breeze of 5 m/s in July. It's important to note the variations in monthly wet days, from the high of 18 also in December. Prepare for humid conditions, as relative humidity stays above 80 % year-round.

    Weather charts for St. John's

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    Weather overview for St. John's

    Weather overview

    St. John's, with its cool marine climate, offers a refreshing escape with temperatures ranging from chilly winter averages of -1 °C (31 °F) in January to mild summer peaks of 21 °C (70 °F) in July. Throughout the year, the city experiences moderate precipitation, the peak rainfall of 156 mm (6.14 in) occurring in December, and the gentlest breeze of 5 m/s in July. It's important to note the variations in monthly wet days, from the high of 18 also in December. Prepare for humid conditions, as relative humidity stays above 80 % year-round.

    January weather

    January in St. John's is marked by cold temperatures with a high of -1 °C (31 °F) during the day, dropping to a low of -8 °C (18 °F) at night. The number of wet days is quite high with 18 and the precipitation reaches 142 mm (5.60 in). Despite the frigid temperatures, January does see some sun with an average of 2 hours of sunshine per day.

    February weather

    As February arrives in St. John's, temperatures remain chilly with day highs of -1 °C (31 °F) and night lows of -8 °C (18 °F). The city continues to experience a good amount of wet days, count at 14, albeit with slightly less precipitation with 125 mm (4.94 in) overall. Sunlight starts to increase with an average of 3 hours per day.

    March weather

    March sees the lingering of winter with slight improvements in temperatures, now reaching day highs of 1 °C (35 °F) and night lows of -5 °C (22 °F). The city gets 16 of wet days and the rainfall is about 132 mm (5.21 in). Daylight hours continue to stretch, offering 3 hours of sun daily.

    April weather

    In April, St. John's transitions towards spring as temperatures rise to day highs of 6 °C (43 °F) and night lows of -1 °C (31 °F). The city averages 14 of wet days and sees a rainfall total of 118 mm (4.65 in). The sun becomes more generous with an average of 4 hours per day.

    May weather

    May brings a breath of fresh air to St. John's, with day temperatures reaching 12 °C (53 °F) and night temperatures warming up to 3 °C (37 °F). The number of wet days trends downward with 14 and overall precipitation at 102 mm (4.00 in). Sun hours increase significantly to about 5 hours per day.

    June weather

    June marks the beginning of summer in St. John's with daytime highs climbing to 16 °C (62 °F) and night lows at 7 °C (44 °F). The weather remains moderately wet with 13, but the rainfall decreases to 99 mm (3.92 in). Sunnier skies prevail with upwards of 6 hours of sunshine each day.

    July weather

    The warmth of July brings the year's highest temperatures to St. John's, with a peak of 21 °C (70 °F) during the day and a comfortable 11 °C (52 °F) at night. Wet days are slightly fewer, now at 12, and rainfall continues to be moderate at 94 mm (3.71 in). With up to 7 hours of sunshine, July is the brightest month.

    August weather

    As August arrives, St. John's enjoys continued warmth with day highs of 21 °C (69 °F), while nights stay mild at 12 °C (53 °F). The city sees 12 of wet days, with rainfall amounting to 97 mm (3.83 in). Sunlight hours remain generous at 6 hours per day.

    September weather

    September in St. John's signals the approach of autumn with daytime temperatures cooling to 17 °C (63 °F) and night times to 9 °C (48 °F). The city experiences 13 of wet days, and the rainfall tallies up to 127 mm (5.00 in). Sun hours drop to 5 hours, reflecting the shorter days.

    October weather

    October's chill is felt in St. John's with average highs of 11 °C (53 °F) and lows of 5 °C (40 °F). Expect 16 of wet days and a rise in precipitation to 149 mm (5.86 in). Sun hours wane to 3 hours, as the days become markedly shorter.

    November weather

    November ushers in the colder edge of fall in St. John's, with day temperatures of 7 °C (44 °F) and dropping to nightly averages of 1 °C (33 °F). The wet day count increases to 17 with the precipitation reaching 143 mm (5.65 in). Diminished sun hours at 2 hours set the tone for the approaching winter.

    December weather

    The apex of wet weather arrives in December in St. John's with the highest precipitation at 156 mm (6.14 in) and a notable 18 of wet conditions. Daytime temperatures remain low at 2 °C (36 °F), while nights are frigid, nearing -4 °C (25 °F). The shortest daylight hours are observed at around 2 hours per day.

    FAQs

    How cold is St. John's in January?

    January in St. John's is quite cold with average daytime highs barely above freezing at -1 °C (31 °F) and nighttime lows dipping to around -8 °C (18 °F), so dressing in warm layers is a must.

    What should I wear during February in St. John's?

    In the cold February weather of St. John's, wearing insulated jackets, gloves, and warm headgear is essential to keep cozy, as average highs hover just below freezing at -1 °C (31 °F).

    Are temperatures in March significantly warmer in St. John's?

    March in St. John's can feel a bit more hospitable than the deep winter, with day highs now slightly above freezing at 1 °C (35 °F), yet you'll still need your warm layers for the typical night chills.

    Does the increase in temperatures in April affect outdoor activities in St. John's?

    With the arrival of milder April weather, hitting highs of 6 °C (43 °F), residents of St. John's find it increasingly pleasant for outdoor pursuits, though a light jacket remains a prudent choice.

    Is May a good time for picnics and outdoor activities in St. John's?

    May's milder climes, with daily highs of 12 °C (53 °F), are perfect for alfresco dining and a range of outdoor activities in the blooming landscapes of St. John's.

    How comfortable is the temperature in St. John's throughout June for outdoor events?

    June's pleasant temperatures averaging 16 °C (62 °F) during the day make it ideal for attending outdoor events and enjoying the natural beauty of St. John's.

    Is July the warmest month in St. John's?

    Absolutely, July is indeed the warmest month in St. John's where you can enjoy daytime highs of 21 °C (70 °F), perfect for a variety of summer activities.

    Can I still enjoy beach days in St. John's during August?

    Certainly, August's pleasant daytime temperatures of 21 °C (69 °F) make it ideal for beach outings and savoring the coastal charms of St. John's.

    As temperatures drop, how does the weather in St. John's change in September?

    September brings a noticeable dip in temperatures, now averaging 17 °C (63 °F) in the day, suggesting a shift towards cooler weather appropriate for light jackets and longer sleeves.

    How does the transition to colder weather in October affect daily life in St. John's?

    The cool turn in October prompts locals to switch to warmer attire and prepare their homes for the onset of the colder months, with daytime temperatures reaching 11 °C (53 °F).

    What kind of winter preparations are needed in St. John's for November?

    November's cooler weather in St. John's necessitates winterizing homes, ensuring adequate insulation, and updating wardrobes to include thermal layers as day averages settle at 7 °C (44 °F).

    Is December the wettest month in St. John's?

    Indeed, December brings the most rainfall to St. John's, making it the wettest month, coupled with chilly day averages of 2 °C (36 °F), hinting at a white holiday season.

    Data backed by 40 years of history

    We make the most from 40 years of historical weather data to predict the best weather conditions.

    Selection of world's favourite destinations

    Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.

    16 500 000 weather records

    We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.