Climate and monthly weather forecastNorwalk, CA

The climate of Norwalk

Perched in beautiful California, USA, the city of Norwalk possesses a mid-latitude steppe climate, otherwise known according to the Köppen climate classification as BSk. Nestled between urban expanses and arid landscapes, the climatic conditions of this city feature only modest fluctuations throughout the year.

Keeping a vigilant eye on the available weather data, there is a general warming trend from the initial 52°F (11.1°C) in January reaching up to 65.7°F (18.7°C) in August for the lowest temperatures, whereas the highest temperatures rise gradually from 66.4°F (19.1°C) in January to a peak of 83.1°F (28.4°C) in August. Humidity levels moderately vary from 51% in November to 66% in June, suggesting relatively dry conditions for most of the year.

Rainfall does not serve as a major climatic influence in Norwalk, with a peak rainfall of 1.46" (37mm) in December and a lean period from June to September with just 0.04 to 0.2" (5mm). Looking at the wind speeds, they range slightly from 4.7mph (7.6km/h) in October to 6.1mph (9.8km/h) in April. The cloud cover according to the given data oscillates between 6% in August to 22% in March and December, indicating moderately clear skies for a significant part of the year.

The best time to visit Norwalk

Considered the golden period for visitors, August is the most favorable time to soak in the beauty of Norwalk. This month combines the warm temperatures ranging from 65.7°F (18.7°C) to 83.1°F (28.4°C) with the lowest cloud coverage at 6%. The relative humidity stands at a comfortable 60% while rainfall is at a minimum, a mere 0.16" (4mm). Furthermore, daylight extends for 13.4 hours during the day, offering ample time for sightseeing and outdoor activities

The worst time to visit Norwalk

Despite its relatively mild climate, January and February can be a little challenging for visitors due to the cooler temperatures ranging from 50.5°F (10.3°C) to 66.4°F (19.1°C) and an increased rainfall of 1.22 to 1.38" (35mm) respectively. Notably, January also witnesses fewer daylight hours i.e., 10.2 hours, which might limit outdoor activities.

Spring weather in Norwalk

A period of gradual warming, Spring in Norwalk commences with temperatures ranging from 52.3°F (11.3°C) to 68°F (20°C) in March and culminates with 57°F (13.9°C) to 72.5°F (22.5°C) in May. Although rainfall sees a dip during this season, dropping from 0.91" (23mm) in March to 0.2" (5mm) in May, the humidity levels tend to rise from 60% to 63%.

Summer weather in Norwalk

Summers in Norwalk are known for their warm and dry conditions. The temperature during this season varies from 59.5°F (15.3°C) in June to a peak of 65.7°F (18.7°C) in August for the lowest temperatures, while the highest temperatures follow a similar pattern, ranging from 76.6°F (24.8°C) to 83.1°F (28.4°C). Rainfall remains scarce, fluctuating between 0.04 to 0.2" (5mm) throughout the summer months.

Autumn weather in Norwalk

Autumn in Norwalk is marked by a gradual drop in temperature from 64.9°F (18.3°C) to 56.3°F (13.5°C) for the lowest and from 77.7°F (25.4°C) to 71.6°F (22°C) for the highest temperatures. Yet again, the city remains relatively dry with rainfall barely touching 0.67" (17mm) in November from 0.24" (6mm) in September.

Winter weather in Norwalk

Winter in Norwalk witnesses a steady decline in temperature, setting in with 51.1°F (10.6°C) in December and dropping to 52°F (11.1°C) by the end of February for the lowest temperatures, while the highest temperatures trend from 64.6°F (18.1°C) to 65.7°F (18.7°C). Correspondingly, this season records the highest rainfall of up to 1.46" (37mm) in December, dipping to 1.22" (31mm) in February.

Weather in January

January in Norwalk, California, experiences somewhat mild temperatures, with the start of the year providing cooler air and moderate humidity. The weather contrasts slightly from the upcoming months by having average high temperatures of 66.4°F (19.1°C), establishing it as the coldest month of the year. Weather in January »

Weather in February

February continues to reflect the winter season in Norwalk, with temperatures and weather conditions similar to January. The lowest temperature gets down to 50.5°F (10.3°C), confirming that winter still maintains a hold over the region. Weather in February »

Weather in March

March signals the transition into spring in Norwalk, with an evident increase in temperature and daylight hours. With temperatures climbing up to an average high of 68°F (20°C), it is clear that winter's chill is receding. Rainfall persists, but the frequency of rainy days is quite minimal, indicating a comparatively dryer period. Weather in March »

Weather in April

April further enhances the springtime ambiance in Norwalk, with a significant drop in rainfall to just 0.43" (11mm) throughout the month. The strikingly decreased rainfall from March to April, results in drier days, encouraging more outdoor activities. Weather in April »

Weather in May

Weather in May stays consistent with the pleasantness of spring, with a continued rise in temperature and more daylight hours. The highest average temperature in May soars to 72.5°F (22.5°C), a marked increase from April, signaling that summer is approaching. Weather in May »

Weather in June

As summer sets in Norwalk, June portrays a distinct shift in temperatures, daylight, and weather patterns. The average high temperature hovers around 76.6°F (24.8°C), the first substantial soaring heat of the summer season. This rise in temperature is complemented by longer daylight hours and increased visibility. Weather in June »

Weather in July

July exhibits true summer weather in Norwalk, with temperatures hitting an annual high of 81.5°F (27.5°C). Despite this spike, the region typically sees less cloud cover and lower relative humidity compared to the rest of the year. Weather in July »

Weather in August

Weather patterns in August maintain the heat and humidity that define the summer season in Norwalk. August sees the highest temperature of the year, averaging around 83.1°F (28.4°C), confirming its reputation as the hottest month. Weather in August »

Weather in September

September marks the advent of fall in Norwalk, with temperatures beginning to recede from the summer's peak. The average high temperature dips to 82.2°F (27.9°C), a slight decrease from August, indicating the start of the transitional period to winter. Weather in September »

Weather in October

In Norwalk, October showcases more evidence of the impending winter with increasing instances of lower temperatures. The climatological shift becomes evident as the average high temperature dips to 77.7°F (25.4°C), notably lower than in September. Weather in October »

Weather in November

November in Norwalk is a precursor to winter, presenting cooler temperatures and slightly more rainfall. The descent into colder months is marked by an average low temperature of 56.3°F (13.5°C), a significant drop from October. Weather in November »

Weather in December

December completes the annual weather cycle in Norwalk, reverting to colder temperatures typical of the winter season. An average high of no more than 64.6°F (18.1°C) coupled with increased rainfall of 1.46" (37mm) highlights the return of the colder months. Weather in December »