0xCarbon
United Kingdom · 51.74°, 0.47° · 33 m

Chelmsford

Chelmsford, United Kingdom
Photo: Stuart166axe at English Wikipedia, Public domain, via Wikimedia Commons

Reaching Chelmsford from Southampton emits 12.8 kg CO₂e return by rail (3h 48m each way) against 73.2 kg by air — 6× the carbon. It averages 17.9 °C in August and 4.8 °C in January.

Chelmsford is largely a commercial city that is the county town of Essex, England. — Wikivoyage, CC BY-SA 4.0

When to go: Chelmsford is warmest in August (17.9 °C), sunniest in June (13.0 h a day); coldest in January (4.8 °C). Month by month

12.8kg CO₂e return by rail, from Southampton
78.1kg CO₂e return by air, from Amsterdam
13.0hours of sunshine a day in June, its brightest month

Getting there

Return carbon and one-way journey time to Chelmsford. Times are modelled.
FromDistanceBy railRail timeBy airAir time
Amsterdam310 km14.4 kg7h 36m78.1 kg3h 54m
Barcelona1,158 km37.5 kg14h 6m291 kg5h
Berlin886 km31.4 kg14h223 kg4h 42m
Birmingham182 km14.6 kg4h 6m83.4 kg3h 42m
Bristol214 km17.2 kg4h 36m98.2 kg3h 48m
Brussels287 km13.3 kg5h 42m72.2 kg3h 54m
Cardiff254 km20.4 kg5h116 kg3h 48m
Copenhagen907 km32.1 kg19h 36m228 kg4h 42m
Dublin488 km——123 kg4h 12m
Edinburgh527 km42.3 kg7h 24m242 kg4h 12m
Frankfurt603 km22.7 kg9h 48m152 kg4h 18m
Glasgow554 km44.5 kg7h 36m254 kg4h 12m
Leeds266 km21.4 kg5h 18m122 kg3h 54m
Lisbon1,628 km50.7 kg31h 36m409 kg5h 42m
Liverpool298 km24.0 kg5h 18m137 kg3h 54m
Madrid1,299 km41.2 kg17h 42m327 kg5h 12m
Manchester267 km21.4 kg5h 12m122 kg3h 54m
Milan946 km32.2 kg14h 24m238 kg4h 48m
Munich889 km31.0 kg13h 6m224 kg4h 42m
Newcastle386 km31.0 kg5h 54m177 kg4h
Nottingham174 km14.0 kg4h80.0 kg3h 42m
Oslo1,110 km37.9 kg29h 12m279 kg5h
Paris347 km14.0 kg6h87.3 kg4h
Prague994 km34.4 kg19h 30m250 kg4h 48m
Rome1,424 km46.3 kg18h 24m358 kg5h 24m
Sheffield225 km18.1 kg4h 42m103 kg3h 48m
Southampton160 km12.8 kg3h 48m73.2 kg3h 42m
Stockholm1,386 km46.2 kg25h 54m349 kg5h 18m
Vienna1,200 km40.3 kg18h 12m302 kg5h 6m
Warsaw1,403 km46.6 kg21h 30m353 kg5h 24m
Zurich758 km26.8 kg11h 30m191 kg4h 30m

The year in Chelmsford

Average temperature, °C — warmest in August
January: 4.8 °C4.8 °CJanFebruary: 7.0 °CFebMarch: 7.6 °CMarApril: 8.9 °CAprMay: 12.8 °CMayJune: 16.3 °CJunJuly: 17.2 °CJulAugust: 17.9 °C17.9 °CAugSeptember: 16.4 °CSepOctober: 12.4 °COctNovember: 7.4 °CNovDecember: 7.2 °CDec
Sunshine, hours a day — brightest in June
January: 4.8 hJanFebruary: 4.6 hFebMarch: 5.1 hMarApril: 8.7 hAprMay: 10.4 hMayJune: 13.0 h13.0 hJunJuly: 10.7 hJulAugust: 10.4 hAugSeptember: 8.5 hSepOctober: 6.2 hOctNovember: 4.2 hNovDecember: 2.8 h2.8 hDec
Historical daily means for 2023–2024, by month (ERA5 reanalysis) — averaged across day and night
 JanFebMarAprMayJunJulAugSepOctNovDec
Temp °C4.87.07.68.912.816.317.217.916.412.47.47.2
Sun h/day4.84.65.18.710.413.010.710.48.56.24.22.8
Rain mm/day2.02.02.82.62.31.43.11.62.72.32.51.8

When to go

Chelmsford is warmest in August at 17.9 °C but brightest in June, averaging 13.0 hours of sun a day — the two do not always coincide, which is worth knowing before booking. Its coldest is January at 4.8 °C.

Three months worth booking

The same year of measurements, decided rather than tabulated. Each opens the map below on dates in that month.

warmestAugust17.9 °C · 10.4 h sun · 1.6 mm rainSee rooms in August →sunniest and driestJune16.3 °C · 13.0 h sun · 1.4 mm rainSee rooms in June →

Staying there

A hotel room in United Kingdom emits about 10.4 kg CO₂e per night under UK Government 2026 factors — a country average per occupied room, not this or any particular hotel. 7 nights in one room adds roughly 73 kg — about 5.7× the carbon of one person getting there by rail from Southampton. Two sharing the room halve that share each; the journey does not halve.

Where to stay in Chelmsford

Places to stay in Chelmsford, United Kingdom, on a live map. Prices and availability come from Stay22 and its booking partners.

Search places to stay in Chelmsford →Opens the booking search in a new tab. Same partners as the map below.

Affiliate disclosure. A booking made through this map may earn 0xCarbon a commission, at no extra cost to you. It changes nothing above it: the emissions figures come from UK Government conversion factors and are computed before anyone is paid anything.See the method.

Distances are great-circle. Rail assumes international rail at 0.01135 kg CO₂e per passenger-km with a 1.3× track detour allowance; flights use 0.12576 kg per passenger-km including radiative forcing. Journey times are modelled, not timetabled. Full method.