The climate of Norman
Renowned as a city with a 'Humid subtropical, no dry season' climate,
Norman is classified as Cfa according to the Köppen climate classification system. Geographically positioned in the heartland of the United States, in
Oklahoma, the city exhibits a range of temperatures coupled with a significant amount of annual rainfall.
Over the year, temperature highs in Norman fluctuate from around 49.1°F (9.5°C) in
January reaching a peak at 93.6°F (34.2°C) in
July. Correspondingly, the lowest temperatures waver from 32.4°F (0.2°C) in January soaring to 72.9°F (22.7°C) in July. A clear variety in Norman's temperatures is observed, indicating a variation through distinct seasons.
Average relative humidity levels from 60% to 75% further solidify the 'Humid subtropical' classification. Rainfall trends exhibit a general year-round presence, introducing the brunt of moisture from
April to
September, reaching a zenith of 3.86" (98mm) in
May. Concurrently, snowfall, another crucial climate characteristic, is minimal, peaking at a scant 1.3" (33mm) in
February.
Strong winds whip through Norman, averaging between 8.4mph (13.5km/h) and 12mph (19.3km/h), with gusts reaching up to 18.4mph (29.6km/h). This is accompanied by good visibility of around six miles across the whole year, with sunshine hours stretching from 6 hours in
December to an indulgent 11.1 hours in July.
The best time to visit Norman
Norman offers a delightful climate for tourism between
April and
June. Why so? This period marks the end of winter, offering pleasant temperatures ranging from 63°F (17.2°C) to 88.3°F (31.3°C). The abundant rainfall during this period keeps the surroundings fresh and vibrant - Average rainfall hovers around 2.17" (55mm) to 3.86" (98mm) during these months. Effulgence of sunshine is also at its high with 8.5 hours in April escalating to 10.9 hours per day by June paving the way for productive exploration and activities.
The worst time to visit Norman
Whilst
Norman boasts a charming overall climate, the months from
July through
August prove more challenging for tourism. These months register the height of summer heat with temperatures soaring to 93.2°F (34°C) to 93.6°F (34.2°C) range. Albeit the city experiences rainfall between 2.36" (60mm) to 2.48" (63mm), the high temperatures may have a major impact on outdoor activities, making these months slightly less comfortable for sightseeing and exploration.
Spring weather in Norman
Spring arrives in
Norman with gradually increasing temperatures, starting from 49.1°F (9.5°C) in
March and climbing up to 77.7°F (25.4°C) in
May. A notable increase in rainfall is observed during these months, with figures soaring from 1.14" (29mm) to 3.86" (98mm), marking the commencement of the city’s wettest period. The hours of daylight also increase substantially from 10.1 hours to 14 hours, paired with a considerable enhancement in sunshine hours, paving the way for the vibrant ambiance of spring.
Summer weather in Norman
Norman experiences its warmest months from
June to
August. During this time, temperatures frequently climb to a sizzling zenith of 88.3°F (31.3°C) to 93.6°F (34.2°C). Despite this, Norman is not devoid of rainfall. Recorded figures display moderate to high precipitation during this period, between 2.17" (55mm) to 2.48" (63mm), producing a unique blend of heat and moisture.
Autumn weather in Norman
The arrival of
September in
Norman heralds the onset of Autumn. A notable change is felt in the climate as temperatures begin to drop, moving from 84.6°F (29.2°C) in September to 71.6°F (22°C) by
November. Rainfall begins to decrease, falling from a high of 2.76" (70mm) in September to 1.06" (27mm) in November. Despite the drop in temperatures, the city receives ample sunshine, ensuring daylight hours remain between 10.3 hours to 12.4 hours during these months.
Winter weather in Norman
Winter in
Norman stretches from
December to
February, bringing with it a crisp chill with temperatures hitting a low of 32.4°F (0.2°C) in
January. However, the temperatures gradually increase, reaching up to 52.2°F (11.2°C) by February. Rainfall steadily drops to between 1.06" (27mm) to 1.1" (28mm), with December and February experiencing meager amounts of snowfall. Despite the lowered temperatures, Norman receives sunshine for around 6 hours per day, providing a respite from the cold weather.
Weather in January
The month of
January in
Norman,
Oklahoma often ushers in the chill of winter, with average low temperatures dipping to 32.4°F (0.2°C). The start of the year features occasional snowfall, with an average of 0.75" (19mm) of snow.
Weather in January »Weather in February
In
February,
Norman experiences a shift in weather patterns, particularly visible in the gradual rise of temperature levels. The average high temperature moves up slightly to 52.2°F (11.2°C) from
January's chill. In February, the city sees dampness with 1.06" (27mm) of rainfall spread across an average of 7.2 days.
Weather in February »Weather in March
As
Norman transitions into spring during
March, the weather often shows dramatic changes. At this time, residents see the welcome rise in average temperature maxima to 63°F (17.2°C). March also brings a substantial amount of precipitation with 1.85" (47mm) of average rainfall, recorded over an expected ten days.
Weather in March »
Weather in April
The full bloom of spring can be witnessed in
April in
Norman. The month witnesses substantial months as the temperature maxima average at 70.9°F (21.6°C), which is quite a leap from
March. The change in weather is equally noticeable in terms of rainfall, with 2.52" (64mm) recorded across about 12 days.
Weather in April »Weather in May
May brings a shift from the moderate spring temperatures to the beginnings of summer heat in
Norman. There is a notable jump in temperatures, with the maxima averaging around 77.7°F (25.4°C). May typically experiences the highest rainfall across the year, with an average precipitation of 3.86" (98mm).
Weather in May » Weather in June
Summer officially sets in
Norman during
June, reflecting the classic characteristics of the season. June’s weather sees a significant increase in temperatures, with maxima soaring to an average of 88.3°F (31.3°C). The rainfall drops to 2.17" (55mm), reflecting a decrease from
May's high rainfall figures.
Weather in June »
Weather in July
July stands out as the hottest month in
Norman, embodying the peak of summer. The highest average temperature generally rises to a soaring 93.6°F (34.2°C). The average precipitation stabilizes at 2.36" (60mm), making it mildly wetter than
June.
Weather in July » Weather in August
August, being one of the final summer months in
Norman, echoes the scorching
July heat with the temperature maxima averaging at 93.2°F (34°C). With an average precipitation of 2.48" (63mm), there is a slight uptick from July, making August a bit wetter.
Weather in August » Weather in September
In
September,
Norman begins to transition from summer towards the milder autumn. The weather shows a moderate decrease with average temperature maxima dropping to 84.6°F (29.2°C). Rainfall peaks again with an average of 2.76" (70mm) across the month.
Weather in September »
Weather in October
The month of
October in
Norman brings noticeably cooler weather along with the vibrant fall colors. As compared to
September, the average temperature tops dip significantly to around 71.6°F (22°C). Rainfall reduces from September, averaging at 2.44" (62mm) spanning over approximately ten days.
Weather in October »Weather in November
November typically marks the prelude of winter in
Norman. The cool autumn weather takes a decisively cold turn, with the lowest average temperature falling to 42.8°F (6°C). November is relatively drier with an average rainfall of 1.06" (27mm).
Weather in November » Weather in December
December, the final month of the year, sets in the full winter season in
Norman. The temperature hits annual lows with averages hovering around 49.5°F (9.7°C). December witnesses a mild increase in snowfall, with an average deposit of 0.79" (20mm).
Weather in December »